| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report | FM 140TH AVE | SMALL STREAM | 087060202 | Steel Stringer/Multi-beam or girder | NR possible | -- | 1950 | 21.0 | 23.0 | Fair | 52.5 | 000000000140050 |
| NBI report Bridgehunter | 190TH AVE | LINDSEY CREEK | 090053304 | Steel Truss - Thru | NR possible | 1920 | -- | 68.9 | 69.9 | Poor | 31.0 | 000000000142670 |
| NBI report Bridgehunter | LOCAL 245 ST | STREAM | 088031403 | Concrete Slab | NR possible | 1920 | -- | 21.0 | 24.0 | Fair | 70.0 | 000000000140460 |
| NBI report | 220 ST | BR ROBINSON CREEK | 088060401 | Concrete Culvert (2 spans) | NR possible | 1922 | 1962 | 12.1 | 24.0 | Poor | 69.8 | 000000000023010 |
| NBI report Bridgehunter | 140TH ST | HONEY CREEK | 090052701 | Steel Stringer/Multi-beam or girder | NR possible | 1925 | -- | 41.0 | 42.0 | Fair | 39.2 | 000000000142580 |
| NBI report Bridgehunter | JOHN ST | PRAIRIE CREEK | I65100520 | Steel Truss - Thru | NR possible | 1928 | -- | 80.1 | 82.0 | Fair | 45.1 | 000000000008160 |
| NBI report | 300TH ST | SMALL STREAM | 087051805 | Steel Stringer/Multi-beam or girder | NR possible | 1930 | -- | 27.9 | 29.9 | Poor | 45.7 | 000000000139900 |
| NBI report | FM 240 ST | STREAM | 088051701 | Steel Stringer/Multi-beam or girder | NR possible | 1930 | -- | 32.2 | 34.1 | Fair | 53.9 | 000000000140940 |
| NBI report | IA 3 | PINE CREEK | 6.9 MI.E OF JCT. IA 38 | Concrete Culvert (2 spans) | NR possible | 1932 | 1985 | 9.8 | 21.0 | Fair | 85.6 | 000000000023170 |
| NBI report Bridgehunter | BACKBONE ST PK | STREAM | IN BACKBONE STATE PARK | Steel Stringer/Multi-beam or girder | -- | 1934 | -- | 42.0 | 42.0 | Fair | 79.1 | 000000000699010 |
| NBI report Bridgehunter | BACKBONE ST PK | MAQUOKETA RIVER | IN BACKBONE STATE PARK | Steel Stringer/Multi-beam or girder (3 spans) | NR possible | 1934 | -- | 34.1 | 103.0 | Fair | 80.7 | 000000000699030 |
| NBI report | FM 230TH AVE | MAQUOKETA RIVER | 088042902 | Concrete Slab (6 spans) | Closed | 1934 | 1990 | 24.9 | 147.0 | Fair | 21.0 | 000000000140800 |
| NBI report Bridgehunter | BACKBONE ST PK | STREAM | IN BACKBONE STATE PARK | Concrete Arch - Deck | NR possible | 1935 | -- | 25.9 | 30.8 | Fair | 93.0 | 000000000699020 |
| NBI report | LOC FIREFLY RD | STREAM | 089051806 | Steel Stringer/Multi-beam or girder | NR possible | 1935 | -- | 21.0 | 23.0 | Fair | 38.4 | 000000000141760 |
| NBI report Bridgehunter | 137TH ST | SMALL STREAM | 090042303 | Steel Truss - Thru | -- | 1939 | -- | 47.9 | 49.9 | Fair | 57.0 | 000000000142410 |
| NBI report | LOC 245 AVE | PENNS BRANCH | 088040904 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1939 | -- | 34.1 | 68.9 | Poor | 33.0 | 000000000140710 |
| NBI report | LOCAL 137 ST | SMALL STREAM | 090042205 | Steel Stringer/Multi-beam or girder | -- | 1939 | -- | 29.9 | 30.8 | Fair | 64.9 | 000000000142400 |
| NBI report | NATURE RD | ODELL BRANCH | 090041706 | Steel Stringer/Multi-beam or girder | NR possible | 1939 | -- | 23.0 | 24.9 | Fair | 70.2 | 000000000142360 |
| NBI report | LOC 215TH ST | STREAM | 089063105 | Steel Stringer/Multi-beam or girder | NR possible | 1940 | -- | 22.0 | 24.0 | Fair | 67.0 | 000000000142080 |
| NBI report | NATURE RD | SMALL STREAM | 090040904 | Steel Stringer/Multi-beam or girder | NR possible | 1940 | -- | 40.0 | 42.0 | Fair | 78.2 | 000000000142240 |
| NBI report Bridgehunter | LOCAL 180TH AVE | SMALL STREAM | 087050402 | Concrete Culvert (2 spans) | NR possible | 1945 | -- | 13.1 | 25.9 | Fair | 82.8 | 000000000139760 |
| NBI report | 170TH ST | PLUM CREEK | 089040703 | Steel Stringer/Multi-beam or girder | -- | 1949 | -- | 40.0 | 42.0 | Poor | 49.5 | 000000000009010 |
| NBI report | LOC STAGECOACH | PRAIRIE CREEK | 089062707 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1949 | -- | 59.1 | 149.9 | Fair | 88.0 | 000000000142040 |
| NBI report | FM 150 ST | HONEY CREEK | 090053501 | Steel Stringer/Multi-beam or girder | -- | 1949 | 1986 | 61.0 | 64.0 | Fair | 99.1 | 000000000142680 |
| NBI report | IA 38 | PLUM CREEK | 3.5 MI. N OF Jct. SR D22 | Concrete Slab (2 spans) | -- | 1950 | -- | 20.0 | 43.0 | Fair | 88.1 | 000000000023330 |
| NBI report | LOC CANDLE RD | PRAIRIE CREEK | 089062805 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1950 | -- | 46.9 | 120.1 | Fair | 75.1 | 000000000142050 |
| NBI report | LOC IVY RD | BR LITTLE YORK | 090050903 | Steel Stringer/Multi-beam or girder | -- | 1951 | -- | 69.9 | 73.2 | Fair | 70.1 | 000000000142470 |
| NBI report | 170TH AVE | SAND CREEK | 088050802 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1953 | -- | 44.0 | 129.9 | Fair | 79.0 | 000000000140870 |
| NBI report | D22 210TH ST | BR PRAIRIE CREEK | 089063507 | Concrete Culvert (3 spans) | -- | 1953 | -- | 7.9 | 24.9 | Fair | 96.0 | 000000000023030 |
| NBI report | FM ROCKVILLE RD | MAQUOKETA RIVER | 088032403 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1953 | -- | 78.1 | 200.1 | Fair | 57.9 | 000000000140530 |
| NBI report | FM 170 ST | SMALL STREAM | 089040807 | Concrete Culvert (2 spans) | NR possible | 1955 | -- | 11.2 | 22.0 | Poor | 63.8 | 000000000141480 |
| NBI report | FM - 175TH ST | SMALL STREAM | 089041105 | Steel Stringer/Multi-beam or girder | -- | 1955 | -- | 42.0 | 44.0 | Fair | 80.0 | 000000000141490 |
| NBI report | IA 38 | ALLISON CREEK | 0.4 mi. S of Jct. SR X35 | Concrete Slab (3 spans) | -- | 1956 | -- | 42.0 | 111.9 | Fair | 66.2 | 000000000023320 |
| NBI report | FM HONEY CK RD | SMALL STREAM | 089051005 | Concrete Culvert (2 spans) | -- | 1957 | -- | 13.1 | 25.9 | Good | 100.0 | 000000000141700 |
| NBI report | PIONEER RD | SMALL STREAM | 088043405 | Wood Stringer/Multi-beam or girder (3 spans) | -- | 1957 | -- | 19.0 | 55.1 | Poor | 46.0 | 000000000140840 |
| NBI report | FM 255TH ST | SMALL STREAM | 088062405 | Concrete Culvert (2 spans) | -- | 1959 | -- | 13.1 | 25.9 | Fair | 91.0 | 000000000141210 |
| NBI report | FM 300 AVE | BEAR CREEK | 090032102 | Concrete Culvert (2 spans) | -- | 1960 | -- | 13.1 | 25.9 | Fair | 99.9 | 000000000142150 |
| NBI report | LOCAL 215 AVE | SMALL STREAM | 087052404 | Wood Culvert (4 spans) | -- | 1960 | -- | 5.9 | 21.0 | Poor | 45.5 | 000000000139921 |
| NBI report | FM 280 AVE | SMALL STREAM | 090031804 | Concrete Culvert (2 spans) | -- | 1962 | -- | 11.2 | 22.0 | Fair | 100.0 | 000000000142140 |
| NBI report | LOC 285TH ST | ROBINSON CREEK | 087060503 | Wood Stringer/Multi-beam or girder (3 spans) | -- | 1962 | -- | 19.0 | 57.1 | Poor | 35.2 | 000000000140070 |
| NBI report | FM 230 AVE | SMALL STREAM | 087040802 | Concrete Culvert (2 spans) | -- | 1963 | -- | 11.2 | 22.0 | Good | 100.0 | 000000000139500 |
| NBI report | FM 230TH AVE | BUCK CREEK | 087041702 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1963 | -- | 58.1 | 149.9 | Poor | 31.8 | 000000000139570 |
| NBI report | LOCAL 325 ST | SMALL STREAM | 087062703 | Concrete Tee beam | -- | 1963 | -- | 34.1 | 36.1 | Poor | 41.0 | 000000000140260 |
| NBI report | WB US 20 | BRANCH PLUM CREEK | 5.0 mi. E OF Jct. IA 38 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1963 | -- | 52.2 | 158.1 | Fair | 79.6 | 000000000023110 |
| NBI report | US 20 | DRAINAGE DITCH | 2.3 MI. E OF JCT. IA 38 | Concrete Culvert (2 spans) | -- | 1963 | 1986 | 9.8 | 21.0 | Fair | 84.0 | 000000000023100 |
| NBI report | US 20 | SMALL NATURAL STREAM | 6.3 MI. E. OF JCT. IA 38 | Concrete Culvert (2 spans) | -- | 1963 | 1986 | 9.8 | 21.0 | Fair | 83.9 | 000000000023120 |
| NBI report | US 20 | SMALL NATURAL STREAM | 0.6 MI E OF IOWA #38 | Concrete Culvert (3 spans) | -- | 1963 | 2002 | 9.8 | 30.8 | Good | 83.6 | 000000000023090 |
| NBI report | FM 110TH AVE | ROBINSON CREEK | 088063202 | Steel Stringer/Multi-beam or girder | -- | 1964 | -- | 43.0 | 44.9 | Fair | 34.1 | 000000000141240 |
| NBI report | LOC 302 ST | SMALL STREAM | 087031403 | Concrete Tee beam | -- | 1964 | -- | 29.9 | 32.2 | Fair | 77.1 | 000000000139330 |
| NBI report | OAK RD | O'DELL BRANCH | 090041603 | Concrete Tee beam | -- | 1964 | -- | 35.1 | 36.1 | Fair | 49.3 | 000000000142330 |
| NBI report | FM 130 AVE | SANDHAGEN CREEK | 090062808 | Concrete Slab (3 spans) | -- | 1965 | -- | 28.9 | 78.1 | Fair | 74.0 | 000000000142820 |
| NBI report | FM 240 ST | STREAM | 088051801 | Concrete Tee beam | -- | 1965 | -- | 22.0 | 24.0 | Fair | 68.4 | 000000000140950 |
| NBI report | FM 240 ST | SMALL STREAM | 088051803 | Concrete Tee beam | -- | 1965 | -- | 23.0 | 24.9 | Fair | 68.4 | 000000000140960 |
| NBI report | LOCAL 210 AVE | SMALL STREAM | 087052502 | Concrete Tee beam | -- | 1965 | -- | 22.0 | 24.9 | Fair | 66.9 | 000000000139940 |
| NBI report | LOCAL 215 AVE | SMALL STREAM | 087052504 | Concrete Tee beam | -- | 1965 | -- | 22.0 | 24.9 | Fair | 68.4 | 000000000139960 |
| NBI report | LOCAL 330 ST | SMALL STREAM | 087053501 | Concrete Slab | -- | 1965 | -- | 22.0 | 24.9 | Fair | 78.8 | 000000000140030 |
| NBI report | LOCAL OAK RD | STREAM | 090041603 | Steel Stringer/Multi-beam or girder | -- | 1965 | -- | 32.2 | 36.1 | Fair | 48.5 | 000000000142340 |
| NBI report | LOC 285 ST | SMALL STREAM | 087030509 | Concrete Tee beam | -- | 1966 | -- | 21.0 | 24.9 | Fair | 62.8 | 000000000139260 |
| NBI report | LOCAL 200 AVE | SMALL STREAM | 087052602 | Concrete Tee beam | -- | 1966 | -- | 27.9 | 29.9 | Fair | 89.8 | 000000000139970 |
| NBI report | LOCAL 310 AVE | STREAM | 089032202 | Concrete Tee beam | -- | 1966 | -- | 27.9 | 29.9 | Fair | 89.8 | 000000000141410 |
| NBI report | LOCAL 330 ST | SMALL STREAM | 087063601 | Concrete Tee beam | -- | 1966 | -- | 28.9 | 30.8 | Fair | 75.0 | 000000000140350 |
| NBI report | FM 110TH AVE | ROBINSON CREEK | 087060802 | Concrete Slab (3 spans) | -- | 1967 | -- | 39.0 | 101.1 | Fair | 65.6 | 000000000140090 |
| NBI report | FM 197 AVE | SMALL STREAM | 088051506 | Concrete Tee beam | -- | 1967 | -- | 24.0 | 25.9 | Poor | 29.5 | 000000000140930 |
| NBI report | LOCAL 130 AVE | SMALL STREAM | 088063402 | Concrete Tee beam | -- | 1967 | -- | 29.9 | 30.8 | Fair | 64.0 | 000000000141260 |
| NBI report | LOCAL 200 AVE | SMALL STREAM | 087051104 | Concrete Tee beam (3 spans) | -- | 1967 | -- | 36.1 | 86.0 | Fair | 88.9 | 000000000139810 |
| NBI report | LOCAL 220 AVE | STREAM | 089043102 | Steel Stringer/Multi-beam or girder | -- | 1967 | -- | 22.0 | 24.0 | Poor | 61.8 | 000000000141620 |
| NBI report | 140TH ST | STREAM | 090053001 | Concrete Tee beam | -- | 1968 | -- | 35.1 | 36.1 | Fair | 75.7 | 000000000142610 |
| NBI report | FM 110TH AVE | BUFFALO CREEK | 087061702 | Concrete Slab (3 spans) | -- | 1968 | -- | 28.9 | 75.1 | Fair | 72.3 | 000000000140130 |
| NBI report | FM 190 AVE | SMALL STREAM | 087050302 | Concrete Tee beam | -- | 1968 | -- | 33.1 | 36.1 | Fair | 72.4 | 000000000139750 |
| NBI report | LOCAL 255 ST | SMALL STREAM | 088051905 | Concrete Tee beam (2 spans) | -- | 1968 | -- | 24.0 | 47.9 | Fair | 78.4 | 000000000140970 |
| NBI report | FM 110 AVE | S FORK MAQUOKETA RIVER | 090061702 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1969 | -- | 67.9 | 179.1 | Fair | 86.0 | 000000000142780 |
| NBI report | FM 190 AVE | BUCK CREEK | 087051502 | Concrete Tee beam (3 spans) | -- | 1969 | -- | 24.9 | 74.2 | Fair | 73.7 | 000000000139850 |
| NBI report | FM 195 ST | MAQUOKETA RIVER | 089051903 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1969 | -- | 87.9 | 229.0 | Fair | 75.5 | 000000000141790 |
| NBI report | FM 270 AVE | PLUM CREEK | 089042402 | Concrete Slab (3 spans) | -- | 1969 | -- | 39.0 | 102.0 | Fair | 83.7 | 000000000141580 |
| NBI report | IA 13 | CC RR | 1.0 MI. N OF JCT. US 20 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1969 | -- | 87.9 | 231.0 | Fair | 95.4 | 000000000023260 |
| NBI report | JET RD | STREAM | 090051403 | Concrete Tee beam | -- | 1969 | -- | 28.9 | 29.9 | Fair | 80.2 | 000000000142500 |
| NBI report | LOCAL 190 ST | STREAM | 089031901 | Concrete Tee beam (2 spans) | -- | 1969 | -- | 22.0 | 49.9 | Fair | 78.4 | 000000000141370 |
| NBI report | FM 145 AVE | SMALL STREAM | 089061404 | Concrete Culvert (2 spans) | -- | 1970 | -- | 13.1 | 25.9 | Fair | 99.8 | 000000000141970 |
| NBI report | FM 165 ST | SMALL STREAM | 089060303 | Concrete Culvert (2 spans) | -- | 1970 | -- | 9.8 | 22.0 | Fair | 99.9 | 000000000141900 |
| NBI report | FM 270 AVE | SMALL STREAM | 089041302 | Concrete Slab (3 spans) | -- | 1970 | -- | 28.9 | 75.1 | Fair | 75.0 | 000000000141500 |
| NBI report | IA 13 | US 20 | AT JCT. US 20 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1970 | -- | 86.0 | 262.2 | Fair | 91.4 | 000000000023250 |
| NBI report | LOC 130 ST | SMALL STREAM | 090051901 | Concrete Tee beam | -- | 1970 | -- | 27.9 | 29.9 | Poor | 49.0 | 000000000142520 |
| NBI report | LOC 130TH AVE | STREAM | 089061502 | Concrete Tee beam | -- | 1970 | -- | 28.9 | 30.8 | Poor | 49.8 | 000000000141980 |
| NBI report | LOC SHERWOOD RD | SMALL STREAM | 088030802 | Concrete Tee beam | -- | 1970 | -- | 35.1 | 36.1 | Fair | 76.6 | 000000000140400 |
| NBI report | LOCAL 170 AVE | SMALL STREAM | 087051702 | Concrete Tee beam | -- | 1970 | -- | 33.1 | 36.1 | Fair | 77.9 | 000000000139870 |
| NBI report | LOCAL 218 ST | STREAM | 088030501 | Concrete Tee beam | -- | 1970 | -- | 23.0 | 24.9 | Fair | 69.4 | 000000000140370 |
| NBI report | W63 100TH AVE | U.S. 20 | 3.5 mi. E of Jct. IA 187 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1970 | -- | 85.0 | 270.0 | Fair | 85.7 | 000000000023370 |
| NBI report | W69 140TH AVE | US 20 | 2.0 MI. W OF JCT.13 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1970 | -- | 86.9 | 257.9 | Good | 91.9 | 000000000023380 |
| NBI report | EB US 20 | CC RR | 0.9 MI. E OF JCT. IA #13 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 57.1 | 170.9 | Good | 98.6 | 000000000602000 |
| NBI report | FM 145 AVE | PRAIRIE CREEK | 089062604 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 57.1 | 154.9 | Fair | 89.4 | 000000000142031 |
| NBI report | LOC 320 AVE | SMALL STREAM | 087031402 | Concrete Tee beam | -- | 1971 | -- | 35.1 | 36.1 | Fair | 78.9 | 000000000139310 |
| NBI report | LOCAL 120 ST | SMALL STREAM | 090061301 | Concrete Tee beam | -- | 1971 | -- | 22.0 | 24.0 | Fair | 68.4 | 000000000142750 |
| NBI report | WB US 20 | CC RR | 0.9 MI. E OF JCT. 13 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 57.1 | 170.9 | Good | 99.6 | 000000000602005 |
| NBI report | 140TH ST | STREAM | 090052501 | Concrete Tee beam | -- | 1972 | -- | 29.9 | 30.8 | Poor | 45.6 | 000000000142550 |
| NBI report | FM 140TH AVE | SMALL STREAM | 088061102 | Concrete Tee beam | -- | 1972 | -- | 23.0 | 24.9 | Fair | 68.4 | 000000000141131 |
| NBI report | 220TH AVE | US 20 | 0.9 mi. W of Jct. IA 38 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1973 | -- | 86.9 | 268.1 | Good | 84.4 | 000000000602047 |
| NBI report | FM - 180TH AVE | SMALL STREAM | 088050506 | Concrete Culvert (2 spans) | -- | 1973 | -- | 14.1 | 26.9 | Good | 99.8 | 000000000140860 |
| NBI report | FM 280 AVE | SMALL STREAM | 090033002 | Concrete Tee beam | -- | 1973 | -- | 24.0 | 24.9 | Poor | 52.4 | 000000000142201 |
| NBI report | FM D-5X | US 20 | AT JCT. SR D5X | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1973 | -- | 91.9 | 287.1 | Fair | 92.5 | 000000000602025 |
| NBI report | IA 38 | BELL CREEK | 2.2 mi. N. of Jct. SR X47 | Concrete Culvert (2 spans) | -- | 1973 | -- | 12.1 | 24.9 | Fair | 95.4 | 000000000023291 |
| NBI report | LOCAL PHEASANT | SMALL STREAM | 087041303 | Concrete Tee beam | -- | 1973 | -- | 23.0 | 24.9 | Fair | 68.4 | 000000000139541 |
| NBI report | US 20 EB | 205TH AVE & SPRING BRANC | 2.8 MI. W OF JCT. IA 38 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1973 | -- | 91.9 | 290.0 | Fair | 96.3 | 000000000602030 |
| NBI report | US 20 WB | 205TH AVE & SPRING BRANC | 2.8 MI. W OF JCT. IA 38 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1973 | -- | 91.9 | 290.0 | Fair | 96.1 | 000000000602035 |
| NBI report | WB US 20 | MAQUOKETA RIVER | 1.6 mi. E of Jct. IA #13 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1973 | -- | 137.1 | 355.0 | Fair | 99.2 | 000000000602020 |
| NBI report | WB US 20 | ABANDON RR | 0.4 mi. W of Jct. IA #38 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1973 | -- | 68.9 | 191.9 | Good | 98.6 | 000000000602045 |
| NBI report | 1ST AVE | BEAR CREEK | 1ST AVE - BEAR CREEK | Concrete Slab (3 spans) | -- | 1974 | -- | 48.9 | 125.0 | Fair | 79.2 | 000000000004310 |
| NBI report | EB US 20 | MAQUOKETA RIVER | 1.7 mi. E of Jct. IA #13 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1974 | -- | 137.1 | 356.0 | Fair | 99.0 | 000000000602015 |
| NBI report | EB US 20 | ABANDON RR | 0.4 MI W OF JCT IOWA #38 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1974 | -- | 68.9 | 191.9 | Fair | 97.6 | 000000000602040 |
| NBI report | IA 13 | UNNAMED CREEK | 2.4 MI. S OF US 20 | Concrete Culvert (2 spans) | -- | 1974 | -- | 12.1 | 35.1 | Good | 96.5 | 000000000023231 |
| NBI report | IA 38 | SAND CREEK | 0.2 mi. N. of Jct. SR D47 | Prestressed Stringer/Multi-beam or girder | -- | 1974 | -- | 55.1 | 59.1 | Fair | 96.1 | 000000000023301 |
| NBI report | IA 38 | US 20 | AT THE JCT. OF US 20 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1974 | -- | 88.9 | 285.1 | Fair | 90.8 | 000000000602050 |
| NBI report | LOCAL 280 AVE | PLUM CREEK | 089033002 | Concrete Tee beam | -- | 1974 | -- | 22.0 | 24.9 | Fair | 77.4 | 000000000141461 |
| NBI report | S 3RD ST | US 20 | 1.2 MI. E OF JCT. IA 13 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1974 | -- | 96.1 | 313.0 | Fair | 88.7 | 000000000602010 |
| NBI report | 205 AVE | SPRING CREEK | 089053504 | Concrete Slab (3 spans) | -- | 1975 | -- | 39.0 | 103.0 | Fair | 93.6 | 000000000023341 |
| NBI report | 205 AVE | SPRING CREEK | 089053504 | Concrete Slab (3 spans) | -- | 1975 | -- | 39.0 | 103.0 | Fair | 93.6 | 000000000023351 |
| NBI report | 205 AVE | SPRING CREEK | 089053504 | Concrete Slab | -- | 1975 | -- | 26.9 | 34.1 | Good | 94.9 | 000000000023361 |
| NBI report | IA 13 | BRANCH MAQUOKETA RIVER | 1.3 mi. N of N Jct SR D62 | Concrete Culvert (3 spans) | -- | 1975 | -- | 9.8 | 38.1 | Good | 99.4 | 000000000023191 |
| NBI report | IA 13 | BRANCH MAQUOKETA RIVER | 0.1 MI. N OF N Jct SR D47 | Concrete Culvert (2 spans) | -- | 1975 | -- | 12.1 | 25.9 | Fair | 90.2 | 000000000023201 |
| NBI report | IA 13 | BRANCH MAQUOKETA RIVER | 0.9 mi. N of jct. SR D47 | Concrete Culvert (2 spans) | -- | 1975 | -- | 9.8 | 22.0 | Fair | 92.4 | 000000000023211 |
| NBI report | IA 13 | SMALL STREAM | 4.5 MI. S OF JCT. 20 | Concrete Culvert (2 spans) | -- | 1975 | -- | 9.8 | 23.0 | Good | 90.9 | 000000000023221 |
| NBI report | IA 13 | UNNAMED CREEK | 1.0 mi. S of Jct. U.S. 20 | Concrete Culvert (3 spans) | -- | 1975 | -- | 12.1 | 39.0 | Good | 94.0 | 000000000023241 |
| NBI report | LOC 275TH ST | STREAM | 088063303 | Concrete Tee beam | -- | 1975 | -- | 29.9 | 30.8 | Fair | 79.2 | 000000000141251 |
| NBI report | LOC 333 AVE | STREAM | 087032404 | Concrete Tee beam | -- | 1975 | -- | 27.9 | 29.9 | Fair | 80.2 | 000000000139371 |
| NBI report | LOCAL 325 ST | STREAM | 087062503 | Concrete Tee beam | -- | 1975 | -- | 29.9 | 30.8 | Fair | 65.0 | 000000000140241 |
| NBI report | LOCAL LINN-DEL | STREAM | 087053101 | Concrete Culvert (3 spans) | -- | 1975 | -- | 12.1 | 36.1 | Good | 100.0 | 000000000140011 |
| NBI report | BACKBONE ST PK | MAQUOKETA RIVER | IN BACKBONE STATE PARK | Concrete Slab (3 spans) | -- | 1976 | -- | 48.9 | 128.0 | Fair | 71.6 | 000000000699051 |
| NBI report | BACKBONE STATE PK | BR MAQUOKETA RIVER | IN BACKBONE STATE PARK | Concrete Slab (4 spans) | -- | 1976 | -- | 39.0 | 139.1 | Fair | 90.0 | 000000000699055 |
| NBI report | FM - 180TH ST | SMALL STREAM | 089041305 | Concrete Tee beam | -- | 1976 | -- | 24.0 | 24.9 | Fair | 68.4 | 000000000141511 |
| NBI report | LOC 150TH ST | SANDHAGEN CREEK | 090063201 | Concrete Tee beam | -- | 1976 | -- | 35.1 | 36.1 | Fair | 89.9 | 000000000142831 |
| NBI report | LOC 333RD AVE | SMALL STREAM | 087032508 | Concrete Tee beam | -- | 1976 | -- | 24.0 | 25.9 | Fair | 84.3 | 000000000139391 |
| NBI report | LOCAL 145 ST | BEAR CREEK | 090032803 | Concrete Tee beam | -- | 1976 | -- | 34.1 | 36.1 | Fair | 78.9 | 000000000142181 |
| NBI report | FM 110TH AVE | BUFFALO CREEK | 087062002 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1977 | -- | 81.0 | 246.1 | Fair | 72.2 | 000000000140171 |
| NBI report | FM 245 ST | PLUM CREEK | 088031803 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1977 | -- | 68.9 | 189.0 | Good | 92.0 | 000000000140500 |
| NBI report | LOC 120TH AVE | STREAM | 090062804 | Concrete Tee beam | -- | 1977 | -- | 35.1 | 36.1 | Fair | 77.9 | 000000000142811 |
| NBI report | LOC 207TH ST | STREAM | 089062807 | Concrete Tee beam | -- | 1977 | -- | 29.9 | 30.8 | Fair | 91.2 | 000000000142061 |
| NBI report | LOC 285 AVE | SMALL STREAM | 087031910 | Concrete Tee beam | -- | 1977 | -- | 27.9 | 30.8 | Fair | 79.8 | 000000000139351 |
| NBI report | 210 ST | DRAINAGE DITCH | 089053505 | Concrete Culvert (2 spans) | -- | 1978 | -- | 12.1 | 25.9 | Good | 99.5 | 000000000023051 |
| NBI report | 210TH AVE | SMALL STREAM | 090052404 | Concrete Tee beam | -- | 1978 | -- | 24.0 | 24.9 | Fair | 77.4 | 000000000142541 |
| NBI report | D22 145TH AVE | CC RR | 089063506 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1978 | -- | 52.2 | 154.9 | Fair | 99.7 | 000000000023021 |
| NBI report | FM 180TH ST | SMALL STREAM | 089031801 | Concrete Tee beam | -- | 1978 | -- | 29.9 | 30.8 | Fair | 91.2 | 000000000141361 |
| NBI report | FM 210 ST | BR SPRING CREEK | 089053501 | Concrete Culvert (2 spans) | -- | 1978 | -- | 12.1 | 24.9 | Fair | 98.8 | 000000000023651 |
| NBI report | FM 300TH ST | SMALL STREAM | 087061701 | Concrete Culvert (3 spans) | -- | 1978 | -- | 9.8 | 33.1 | Fair | 83.7 | 000000000140121 |
| NBI report | FM 315TH ST | LIME CREEK | 087042008 | Concrete Slab (3 spans) | -- | 1978 | -- | 48.9 | 128.9 | Fair | 86.4 | 000000000139621 |
| NBI report | OAK RD | STREAM | 090041603 | Prestressed Tee beam | -- | 1978 | -- | 44.9 | 45.9 | Fair | 83.8 | 000000000142351 |
| NBI report | FM - 160TH ST | SMALL STREAM | 089030203 | Concrete Culvert (2 spans) | -- | 1979 | -- | 9.8 | 22.0 | Fair | 94.6 | 000000000141281 |
| NBI report | IA 3 | LINDSEY CREEK | 1.3 MI. E OF E Jct. IA 13 | Concrete Slab (3 spans) | -- | 1979 | -- | 35.1 | 92.9 | Fair | 96.5 | 000000000023131 |
| NBI report | LOCAL 265 ST | PLUM CREEK | 088032903 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1979 | -- | 68.9 | 191.9 | Good | 97.0 | 000000000140571 |
| NBI report | FM 195 ST | HONEY CREEK | 089052005 | Concrete Slab (5 spans) | -- | 1980 | -- | 44.0 | 204.1 | Fair | 78.9 | 000000000141811 |
| NBI report | FM 220 AVE | SMALL | 087043002 | Concrete Tee beam | -- | 1980 | -- | 29.9 | 30.8 | Fair | 91.2 | 000000000139671 |
| NBI report | LOC 160 ST | SMALL STREAM | 089060501 | Concrete Tee beam | -- | 1980 | -- | 23.0 | 24.9 | Fair | 78.4 | 000000000141910 |
| NBI report Bridgehunter | W MARION ST | MAQUOKETA RIVER | 000000000 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1980 | -- | 76.1 | 212.0 | Poor | 65.0 | 000000000007546 |
| NBI report | 260TH AVE | PLUM CREEK | 089041402 | Concrete Slab (3 spans) | -- | 1981 | -- | 39.0 | 102.0 | Good | 95.7 | 000000000141521 |
| NBI report | EB US 20 | BRANCH PLUM CREEK | 5.0 MI. E OF JCT. IA 38 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1981 | -- | 52.2 | 159.1 | Good | 99.6 | 000000000605825 |
| NBI report | FM - 180TH AVE | SAND CREEK | 088050804 | Prestressed Stringer/Multi-beam or girder | -- | 1981 | -- | 96.1 | 98.1 | Good | 96.0 | 000000000140881 |
| NBI report | LOC 122 ST | LINDSEY CREEK | 090051603 | Wood Stringer/Multi-beam or girder (3 spans) | -- | 1981 | -- | 20.0 | 60.0 | Fair | 68.0 | 000000000142511 |
| NBI report | LOC 150TH AVE | SMALL STREAM | 090060102 | Prestressed Tee beam (2 spans) | -- | 1981 | -- | 29.9 | 62.0 | Fair | 97.0 | 000000000142711 |
| NBI report | LOCAL 280 ST | ROBINSON CREEK | 087060601 | Prestressed Tee beam (2 spans) | -- | 1981 | -- | 27.9 | 62.0 | Fair | 97.0 | 000000000140081 |
| NBI report | LOC 155TH ST | SMALL STREAM | 090063605 | Prestressed Tee beam (2 spans) | -- | 1982 | -- | 25.9 | 52.2 | Fair | 96.0 | 000000000142881 |
| NBI report | LOCAL 120 AVE | SMALL STREAM | 088062802 | Prestressed Tee beam | -- | 1982 | -- | 23.0 | 25.9 | Fair | 85.0 | 000000000141221 |
| NBI report | LOCAL 221 ST | SPRING BRANCH | 088050203 | Concrete Slab (3 spans) | -- | 1982 | -- | 39.0 | 102.0 | Good | 95.7 | 000000000140851 |
| NBI report | 155TH ST | SMALL STREAM | 090053105 | Prestressed Tee beam | -- | 1983 | -- | 40.0 | 41.0 | Fair | 96.0 | 000000000142631 |
| NBI report | 155TH ST | HONEY CREEK | 090053503 | Concrete Slab (3 spans) | -- | 1983 | -- | 39.0 | 101.1 | Good | 78.8 | 000000000142691 |
| NBI report | 200TH AVE | HONEY CREEK | 089050204 | Prestressed Tee beam (3 spans) | -- | 1983 | -- | 40.0 | 124.0 | Good | 100.0 | 000000000141661 |
| NBI report | IA 13 | HONEY CREEK | 0.2 mi. N of Jct. SR D13 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1983 | -- | 86.0 | 191.0 | Good | 97.6 | 000000000023271 |
| NBI report | LOC 270 AVE | PENNS CREEK | 088041204 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1983 | -- | 42.0 | 84.0 | Fair | 63.8 | 000000000140741 |
| NBI report | LOC BUC-DEL AVE | SPRING BRANCH CREEK | 089060702 | Prestressed Tee beam | -- | 1983 | -- | 38.1 | 41.0 | Fair | 85.0 | 000000000141941 |
| NBI report | LOCAL | BUCK CREEK | 087051602 | Concrete Slab (3 spans) | -- | 1983 | -- | 39.0 | 101.1 | Fair | 76.8 | 000000000139861 |
| NBI report | LOCAL 165 ST | LINDSEY CREEK | 089050303 | Prestressed Tee beam (2 spans) | -- | 1983 | -- | 49.9 | 104.0 | Fair | 93.3 | 000000000141671 |
| NBI report | LOCAL 165 ST | HONEY CREEK | 089050303 | Prestressed Tee beam (2 spans) | -- | 1983 | -- | 49.9 | 104.0 | Fair | 93.3 | 000000000141681 |
| NBI report | LOCAL 330 AVE | SMALL STREAM | 088031304 | Concrete Culvert (3 spans) | -- | 1983 | -- | 9.8 | 33.1 | Good | 100.0 | 000000000140441 |
| NBI report | FM 210TH AVE | SMALL STREAM | 089052502 | Prestressed Tee beam | -- | 1984 | -- | 29.9 | 30.8 | Fair | 95.0 | 000000000141841 |
| NBI report | LOC 225 ST | SMALL STREAM | 088040306 | Prestressed Tee beam | -- | 1984 | -- | 34.1 | 36.1 | Good | 96.0 | 000000000140651 |
| NBI report | LOC 302 ST | SMALL STREAM | 087031403 | Prestressed Tee beam | -- | 1984 | -- | 35.1 | 36.1 | Fair | 90.8 | 000000000139321 |
| NBI report | LOCAL 180 AVE | HONEY CREEK | 089051602 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1984 | -- | 65.0 | 180.1 | Good | 95.2 | 000000000141731 |
| NBI report | 120TH ST | STREAM | 090041301 | Prestressed Tee beam | -- | 1985 | -- | 24.9 | 25.9 | Fair | 96.0 | 000000000142281 |
| NBI report | FM 295TH ST | MAQUOKETA RIVER | 087041105 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1985 | -- | 96.1 | 358.9 | Good | 93.6 | 000000000139531 |
| NBI report | FM 310TH ST | BUFFALO CREEK | 087061901 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1985 | -- | 73.2 | 204.1 | Good | 98.1 | 000000000140141 |
| NBI report | LOCAL 240 ST | SAND CREEK | 088061401 | Prestressed Tee beam (2 spans) | -- | 1985 | -- | 29.9 | 62.0 | Fair | 96.0 | 000000000141151 |
| NBI report | FM 110 AVE | PRAIRIE CREEK | 089062906 | Concrete Slab (3 spans) | -- | 1986 | -- | 48.9 | 128.0 | Good | 93.7 | 000000000362566 |
| NBI report | FM 150 ST | SMALL CREEK | 090053101 | Concrete Culvert (3 spans) | -- | 1986 | -- | 12.1 | 39.0 | Good | 99.9 | 000000000142621 |
| NBI report | FM 150 ST | SMALL STREAM | 090063601 | Concrete Culvert (3 spans) | -- | 1986 | -- | 14.1 | 44.9 | Good | 99.3 | 000000000142871 |
| NBI report | LOC 400TH ST | MAQUOKETA RIVER | 090060501 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1986 | -- | 60.0 | 164.1 | Good | 100.0 | 000000000142731 |
| NBI report | LOC FIREFLY RD | SMALL STREAM | 089060106 | Prestressed Tee beam (2 spans) | -- | 1986 | -- | 29.9 | 62.0 | Fair | 96.0 | 000000000141881 |
| NBI report | LOCAL 185 ST | PLUM CREEK | 089041603 | Prestressed Tee beam (2 spans) | -- | 1986 | -- | 33.1 | 71.9 | Fair | 85.0 | 000000000141561 |
| NBI report | FM 210 AVE | STREAM | 089050104 | Prestressed Tee beam | -- | 1987 | -- | 21.0 | 24.9 | Fair | 97.0 | 000000000141651 |
| NBI report | IA 3 | ELK CREEK | 3.8 MI. E OF JCT. 38 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1987 | -- | 82.0 | 183.1 | Fair | 99.3 | 000000000023151 |
| NBI report | IA 3 | SPRING CREEK | 4.1 MI. E OF JCT. 38 | Concrete Culvert (3 spans) | -- | 1987 | -- | 12.1 | 35.1 | Good | 98.4 | 000000000023161 |
| NBI report | LOCAL 295 ST | SMALL STREAM | 087051007 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1987 | -- | 37.1 | 77.1 | Fair | 90.8 | 000000000139801 |
| NBI report | LOCAL FLOYD RD | BEAR CREEK | 089032608 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1987 | -- | 47.9 | 130.9 | Good | 95.0 | 000000000141441 |
| NBI report | X 35 (270TH AVE) | US 20 | 3.7 mi. E of Jct. IA #38 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1987 | -- | 82.0 | 248.0 | Fair | 97.9 | 000000000605730 |
| NBI report | 335TH ST | SMALL STREAM | 087043203 | Prestressed Tee beam | -- | 1988 | -- | 35.1 | 36.1 | Fair | 96.9 | 000000000139721 |
| NBI report | IA 38 | CC RR | 0.3 mi. N Jct. U.S. 20 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1988 | -- | 82.0 | 179.1 | Good | 94.6 | 000000000023081 |
| NBI report | LOC 130TH AVE | STREAM | 090060304 | Concrete Slab (3 spans) | -- | 1988 | -- | 38.1 | 104.0 | Good | 85.3 | 000000000142721 |
| NBI report | BACKBONE ST PK | MAQUOKETA RIVER | IN BACKBONE STATE PARK | Concrete Slab (3 spans) | -- | 1989 | -- | 39.0 | 103.0 | Good | 97.0 | 000000000699041 |
| NBI report | FM 220 AVE | LIME CREEK | 087041908 | Concrete Slab (3 spans) | -- | 1989 | -- | 30.8 | 90.9 | Good | 95.0 | 000000000139601 |
| NBI report | LOC 110TH AVE | STREAM | 090060604 | Prestressed Tee beam | -- | 1989 | -- | 23.0 | 25.9 | Fair | 97.0 | 000000000142741 |
| NBI report | LOC 200TH ST | SPRING BRANCH | 089062901 | Prestressed Tee beam (2 spans) | -- | 1989 | -- | 28.9 | 62.0 | Fair | 97.0 | 000000000142071 |
| NBI report | LOC 255TH AVE | BR ALMORAL CR | 089040304 | Prestressed Tee beam | -- | 1989 | -- | 24.0 | 25.9 | Fair | 97.0 | 000000000363110 |
| NBI report | LOCAL 280 AVE | PLUM CREEK | 089033002 | Concrete Slab (3 spans) | -- | 1989 | -- | 46.9 | 128.0 | Good | 100.0 | 000000000141451 |
| NBI report | LOCAL 320 AVE | COOKSLEY CREEK | 088031402 | Prestressed Tee beam | -- | 1989 | -- | 38.1 | 41.0 | Fair | 92.0 | 000000000140451 |
| NBI report | LOCAL 125 AVE | SMALL STREAM | 087060904 | Prestressed Tee beam | -- | 1990 | -- | 42.0 | 45.9 | Good | 96.8 | 000000000140101 |
| NBI report | LOCAL 145 ST | SMALL STREAM | 090032603 | Prestressed Tee beam | -- | 1990 | -- | 33.1 | 36.1 | Good | 99.1 | 000000000142161 |
| NBI report | LOCAL DOVE RD | STREAM | 089060202 | Prestressed Tee beam | -- | 1990 | -- | 35.1 | 37.1 | Fair | 96.9 | 000000000141891 |
| NBI report | RAINBOW RD | O'DELL BRANCH | 090041006 | Concrete Slab (3 spans) | -- | 1990 | -- | 34.1 | 89.9 | Good | 100.0 | 000000000142271 |
| NBI report | 250TH ST | SMALL STREAM | 088042203 | Prestressed Tee beam | -- | 1991 | -- | 27.9 | 30.8 | Fair | 75.1 | 000000000140761 |
| NBI report | FM 150 ST | LINDSEY CREEK | 090053203 | Concrete Slab (3 spans) | -- | 1991 | -- | 42.0 | 116.1 | Fair | 88.9 | 000000000142651 |
| NBI report | FM 182ND ST | SMALL STREAM | 089031503 | Prestressed Tee beam | -- | 1991 | -- | 33.1 | 36.1 | Fair | 85.6 | 000000000141351 |
| NBI report | IA 13 | MAQUOKETA RIVER | 0.8 mi. E of W Jct SR D22 | Prestressed Stringer/Multi-beam or girder (5 spans) | -- | 1991 | -- | 97.1 | 463.9 | Good | 97.0 | 000000000023041 |
| NBI report | LOC 285 AVE | PLUM CREEK | 087030608 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1991 | -- | 57.1 | 167.0 | Good | 95.0 | 000000000139271 |
| NBI report | LOCAL 230 ST | PLUM CREEK | 088030701 | Concrete Slab (5 spans) | -- | 1991 | -- | 46.9 | 128.0 | Good | 95.0 | 000000000140381 |
| NBI report | LOCAL 280 AVE | SMALL STREAM | 088031802 | Concrete Slab (3 spans) | -- | 1991 | -- | 32.2 | 89.9 | Good | 95.0 | 000000000140491 |
| NBI report | 170TH AVE | SMALL STREAM | 087050804 | Prestressed Tee beam | -- | 1992 | -- | 33.1 | 36.1 | Fair | 86.7 | 000000000139781 |
| NBI report | FM 110 AVE | SPRING BRANCH | 089062002 | Concrete Slab (3 spans) | -- | 1992 | -- | 34.1 | 90.9 | Good | 100.0 | 000000000142011 |
| NBI report | IA 38 | PLUM CREEK | 1.6 mi. N of SR D47 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1992 | -- | 57.1 | 170.9 | Good | 95.3 | 000000000023311 |
| NBI report | LOC 230TH ST | STREAM | 088030801 | Prestressed Tee beam | -- | 1992 | -- | 34.1 | 36.1 | Good | 81.7 | 000000000140391 |
| NBI report | LOCAL 290 AVE | SMALL STREAM | 090032902 | Prestressed Tee beam | -- | 1992 | -- | 27.9 | 30.8 | Fair | 86.7 | 000000000142191 |
| NBI report | FM THUNDER RD | PLUM CREEK | 088033303 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1993 | -- | 58.1 | 168.0 | Good | 95.0 | 000000000140591 |
| NBI report | LOC SHERWOOD RD | PLUM CREEK | 088032004 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1993 | -- | 53.2 | 154.9 | Good | 99.0 | 000000000140511 |
| NBI report | LOCAL 297 ST | SMALL STREAM | 087041703 | Concrete Slab (3 spans) | -- | 1993 | -- | 45.9 | 129.9 | Good | 100.0 | 000000000139591 |
| NBI report | LOCAL 320 ST | SMALL STREAM | 087043001 | Prestressed Tee beam | -- | 1993 | -- | 33.1 | 36.1 | Fair | 74.1 | 000000000139661 |
| NBI report | 210TH AVE | SMALL STREAM | 087052502 | Prestressed Tee beam | -- | 1994 | -- | 38.1 | 41.0 | Fair | 89.9 | 000000000139951 |
| NBI report | FISH HATCHERY | STREAM | IN ST. FISH HATCHERY | Concrete Slab (3 spans) | -- | 1994 | -- | 44.0 | 116.1 | Good | 93.0 | 000000000699770 |
| NBI report | FM 160TH ST | BEAR CREEK | 089030203 | Concrete Slab (3 spans) | -- | 1994 | -- | 37.1 | 103.0 | Fair | 90.6 | 000000000141271 |
| NBI report | FM 165TH ST | MAQUOKETA RIVER | 089060105 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1994 | -- | 65.9 | 191.9 | Good | 82.4 | 000000000141871 |
| NBI report | FM 260TH AVE | PENNS BRANCH | 088041102 | Concrete Slab (3 spans) | -- | 1995 | -- | 34.1 | 90.9 | Good | 86.5 | 000000000140731 |
| NBI report | LOCAL 205TH AVE | BUCK CREEK | 087051108 | Concrete Slab (3 spans) | -- | 1995 | -- | 32.2 | 89.9 | Good | 85.2 | 000000000139821 |
| NBI report | LOCAL 320TH ST. | SMALL STREAM | 087052501 | Prestressed Tee beam | -- | 1995 | -- | 37.1 | 41.0 | Fair | 90.3 | 000000000139931 |
| NBI report | LOC 225 ST | SMALL STREAM | 088040306 | Prestressed Tee beam | -- | 1996 | -- | 32.2 | 36.1 | Good | 85.1 | 000000000140641 |
| NBI report | LOC QUARTER RD | MAQUOKETA RIVER | 088043404 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1996 | -- | 79.1 | 246.1 | Good | 79.8 | 000000000140831 |
| NBI report | LOCAL 190 ST | PLUM CREEK | 089042408 | Concrete Slab (3 spans) | -- | 1996 | -- | 46.9 | 128.9 | Good | 82.8 | 000000000141601 |
| NBI report | FM 332 AVE | BEAR CREEK | 089032504 | Concrete Slab (3 spans) | -- | 1997 | -- | 45.9 | 128.0 | Fair | 76.2 | 000000000141421 |
| NBI report | LOCAL BUCH-DEL | S FORK MAQUOKETA RIVER | 090061902 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1997 | -- | 56.1 | 153.9 | Good | 100.0 | 000000000142791 |
| NBI report | WALNUT ST 280TH | STREAM | 000000000 | Concrete Slab (2 spans) | -- | 1997 | -- | 24.9 | 54.1 | Good | 86.5 | 000000000006071 |
| NBI report | FM 200 AVE | HONEY CREEK | 090052602 | Concrete Slab (3 spans) | -- | 1998 | -- | 30.8 | 90.9 | Good | 79.7 | 000000000142571 |
| NBI report | 297TH ST | BUCK CREEK | 087051206 | Concrete Slab (3 spans) | NR possible | 1999 | -- | 45.9 | 128.0 | Good | 100.0 | 000000000139841 |
| NBI report | FM 272ND ST | N FORK MAQUOKETA RIVER | 088033605 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1999 | -- | 65.9 | 191.9 | Good | 94.8 | 000000000140611 |
| NBI report | 180TH AVE | LINDSEY CREEK | 090053302 | Concrete Slab (3 spans) | -- | 2000 | -- | 48.9 | 128.0 | Good | 84.4 | 000000000142661 |
| NBI report | 310TH ST | ROBINSON CREEK | 087061903 | Concrete Slab (3 spans) | -- | 2000 | -- | 39.0 | 103.0 | Good | 87.3 | 000000000140161 |
| NBI report | LOC 325TH ST | SMALL STREAM | 087042703 | Concrete Tee beam | -- | 2001 | -- | 28.9 | 32.2 | Good | 93.7 | 000000000139642 |
| NBI report | LOCAL 260 AVE | SMALL STREAM | 087041006 | Concrete Slab (4 spans) | -- | 2001 | -- | 44.0 | 155.8 | Good | 81.6 | 000000000139521 |
| NBI report | 140TH ST | LINDSEY CREEK | 090052801 | Concrete Slab (3 spans) | -- | 2003 | -- | 39.0 | 100.1 | Good | 85.1 | 000000000142591 |
| NBI report | 220TH AVENUE | SMALL STREAM | 087040602 | Prestressed Tee beam | -- | 2003 | -- | 35.1 | 36.1 | Good | 100.0 | 000000000364595 |
| NBI report | FM RIDGE RD | ALLISON CREEK | 088042603 | Prestressed Tee beam | -- | 2003 | -- | 49.9 | 50.9 | Fair | 100.0 | 000000000140782 |
| NBI report | JEFFERSON RD | SMALL STREAM | 088051004 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2003 | -- | 57.1 | 153.9 | Good | 91.1 | 000000000140891 |
| NBI report | LOCAL 120 AVE | BUFFALO CREEK OVERFLOW | 087062804 | Steel Culvert (4 spans) | -- | 2003 | -- | 4.9 | 29.9 | Fair | 88.1 | 000000000140281 |
| NBI report | LOCAL 120 AVE | BUFFALO CREEK | 087062804 | Concrete Slab (3 spans) | NR possible | 2003 | -- | 48.9 | 220.2 | Good | 88.1 | 000000000140291 |
| NBI report | MARION ST-275 A | MAQUOKETA RIVER | 000000000 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2003 | -- | 82.0 | 243.1 | Good | 93.3 | 000000000006051 |
| NBI report | MARION ST-275 A | MAQUOKETA RIVER | 000000000 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2003 | -- | 68.9 | 189.0 | Good | 94.7 | 000000000006061 |
| NBI report | 180TH AVE | LINDSEY CREEK | 090052802 | Concrete Slab (3 spans) | NR possible | 2004 | -- | 44.0 | 115.2 | Good | 85.1 | 000000000142601 |
| NBI report | 210TH STREET | PLUM CREEK | 089033101 | Concrete Slab (3 spans) | NR possible | 2004 | -- | 48.9 | 128.0 | Good | 77.1 | 000000000023401 |
| NBI report | 215TH AVE | SMALL STREAM | 087052404 | Wood Stringer/Multi-beam or girder | -- | 2004 | -- | 64.0 | 65.0 | Good | 99.8 | 000000000139911 |
| NBI report | FM 162 AVE | STREAM | 089051906 | Concrete Slab (3 spans) | -- | 2004 | -- | 48.9 | 128.0 | Good | 99.9 | 000000000141772 |
| NBI report | RAINBOW RD | ELK CREEK | 090041403 | Steel Other | -- | 2004 | -- | 63.0 | 65.0 | Good | 83.1 | 000000000142302 |
| NBI report | RAINBOW RD | SMALL STREAM | 090041405 | Prestressed Stringer/Multi-beam or girder | -- | 2004 | -- | 66.9 | 69.9 | Good | 100.0 | 000000000363476 |
| NBI report | 180TH ST | HONEY CREEK | 089051601 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2005 | -- | 59.1 | 166.0 | Good | 100.0 | 000000000141721 |
| NBI report | 262ND AVE | SMALL STREAM | 088042304 | Concrete Culvert (2 spans) | NR possible | 2005 | -- | 12.1 | 24.0 | Good | 99.9 | 000000000140771 |
| NBI report | 298TH AVE | PLUM CREEK | 088033204 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2005 | -- | 75.1 | 215.9 | Good | 48.0 | 000000000139241 |
| NBI report | FM 195TH ST | STREAM | 089051903 | Concrete Slab (3 spans) | -- | 2005 | -- | 48.9 | 128.0 | Good | 97.4 | 000000000141781 |
| NBI report | RICHLAND ST | MAQUOKETA RIVER | 015000500 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2005 | -- | 80.1 | 246.1 | Good | 92.2 | 000000000004261 |
| NBI report | FM 110TH AVE | SMALL STREAM | 088062902 | Concrete Slab (3 spans) | -- | 2006 | -- | 28.9 | 78.1 | Good | 100.0 | 000000000141231 |
| NBI report | LOC 235TH ST | STREAM | 088031103 | Concrete Slab (3 spans) | -- | 2006 | -- | 23.0 | 78.1 | Good | 100.0 | 000000000140431 |
| NBI report | 221ST ST | SMALL STREAM | 088040303 | Steel Tee beam | -- | 2007 | -- | 24.9 | 25.9 | Good | 100.0 | 000000000140661 |
| NBI report | FM GOOSE HILL | SMALL STREAM | 087032505 | Concrete Slab (3 spans) | -- | 2007 | -- | 39.0 | 103.0 | Good | 100.0 | 000000000139381 |
| NBI report | LOC 310TH AVE | BEAR CREEK | 090033402 | Concrete Slab (3 spans) | -- | 2007 | -- | 38.1 | 128.0 | Good | 100.0 | 000000000142231 |
| NBI report | FM 110TH AVE | ROBINSON CREEK | 087060502 | Concrete Slab (3 spans) | -- | 2008 | -- | 43.0 | 112.9 | Good | 99.9 | 000000000140061 |
| NBI report | FM 220 AVE | MAQUOKETA RIVER | 088043004 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2008 | -- | 121.1 | 269.0 | Good | 91.1 | 000000000140811 |
| NBI report | FM 245TH AVE | SMALL STREAM | 087043308 | Concrete Slab (3 spans) | -- | 2008 | -- | 35.1 | 92.9 | Good | 99.9 | 000000000139741 |
| NBI report | 150TH AVE | UNAMED CREEK | 000000000 | Wood Stringer/Multi-beam or girder | -- | 2009 | -- | 75.1 | 76.1 | Good | 100.0 | 000000000141141 |
| NBI report | FM 190TH ST | REIGER CREEK | 000000000 | Concrete Stringer/Multi-beam or girder (3 spans) | -- | 2009 | -- | 39.0 | 103.0 | Good | 99.9 | 000000000142021 |
| NBI report | X47 300TH AVE | BRANCH OF BEAR CREEK | 90 03 33 0019 | Concrete Stringer/Multi-beam or girder (3 spans) | -- | 2009 | -- | 35.1 | 92.9 | Good | 100.0 | 000000000142221 |
| NBI report | 240TH ST | MAQUOKETA RIVER | 00000 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2011 | -- | 127.0 | 358.9 | Good | 89.6 | 000000000140921 |
| NBI report | FM 140TH AVE | SAND CREEK | 1.1 Mi. North of CR D34 | Concrete Slab (3 spans) | -- | 2011 | -- | 39.0 | 103.0 | Good | 100.0 | 000000000141171 |
| NBI report | FM SHERWOOD RD | SMALL STREAM | 88 03 17 03 | Concrete Tee beam | -- | 2011 | -- | 29.9 | 30.8 | Fair | 67.1 | 000000000140481 |
| NBI report | W MARION ST | UNNAMED STREAM | btwn 9th and 11th street | Concrete Culvert (3 spans) | -- | 2011 | -- | 12.1 | 82.0 | Good | 100.0 | 000000000505275 |
| NBI report | 190TH AVE | HONEY CREEK | 89 05 10 04 | Concrete Slab (3 spans) | -- | 2012 | -- | 59.1 | 152.9 | Good | 100.0 | 000000000141691 |
| NBI report | 218TH ST | PLUM CREEK | 218th St. SE of Earlville | Concrete Slab (3 spans) | -- | 2012 | -- | 59.1 | 152.9 | Good | 100.0 | 000000000141641 |
| NBI report | 265TH AVE | PLUM CREEK | 1 mile North of 195th St. | Concrete Slab (3 spans) | -- | 2012 | -- | 46.9 | 123.0 | Good | 100.0 | 000000000141531 |
| NBI report | 200TH ST | SMALL STREAM | 89 04 30 01 | Concrete Culvert (2 spans) | -- | 2013 | -- | 12.1 | 24.0 | Good | 100.0 | 000000000365995 |
| NBI report | 231ST AVE | SMALL STREAM | 087 04 19 09 | Steel Other | -- | 2013 | -- | 65.9 | 67.9 | Good | 71.0 | 000000000139611 |
| NBI report | 255TH AVE | PLUM CREEK | 089 04 15 06 | Concrete Slab (3 spans) | -- | 2013 | -- | 39.0 | 103.0 | Good | 100.0 | 000000000141551 |
| NBI report | 310TH AVE | STREAM | 89 03 10 0065 | Concrete Slab (3 spans) | -- | 2013 | -- | 27.9 | 73.2 | Good | 100.0 | 000000000141321 |
| NBI report | 267TH ST | TURTLE CREEK | On 267th 1.25 W of X21 | Concrete Stringer/Multi-beam or girder | -- | 2014 | -- | 67.6 | 70.5 | Good | 100.0 | 000000000140981 |
| NBI report | 310TH AVE | STREAM | 090 03 15 04 | Prestressed Stringer/Multi-beam or girder | -- | 2014 | -- | 67.6 | 70.5 | Good | 100.0 | 000000000142131 |
| NBI report | 137TH ST | SMALL STREAM | 900422 4580 | Concrete Slab (3 spans) | -- | 2015 | -- | 30.8 | 83.0 | Good | 100.0 | 000000000142381 |
| NBI report | 197TH ST | SMALL STREAM | 197th Ave, 50' N of 295th | Concrete Slab (3 spans) | -- | 2015 | -- | 39.0 | 100.1 | Good | 100.0 | 000000000139791 |
| NBI report | 300TH AVE | STREAM | 088 03 21 02 | Concrete Tee beam | -- | 2015 | -- | 29.9 | 30.8 | Fair | 87.0 | 000000000140521 |
| NBI report | 182ND ST | BEAR CREEK | 089 03 14 03 | Concrete Slab (3 spans) | -- | 2016 | -- | 50.9 | 132.9 | Good | 100.0 | 000000000141341 |
| NBI report | 265TH ST | STREAM | 880328 5050 | Concrete Tee beam | -- | 2016 | -- | 29.9 | 30.8 | Fair | 100.0 | 000000000140561 |
| NBI report | 330TH-332ND AVE | US 20 | 1.6 M. W. of IA # 136 | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 2016 | -- | 126.0 | 255.3 | Good | 99.8 | 000000000700370 |
| NBI report | 220TH AVE | BUCK CREEK | 087040702 | Concrete Slab (3 spans) | -- | 2017 | -- | 55.1 | 143.1 | Good | 100.0 | 000000000139491 |