| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report | FOUR CORNERS ROAD | CK | 4.0W 0.9S BRIDGER | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1930 | -- | 27.9 | 62.0 | Poor | 49.9 | 000000069001649 |
| NBI report Bridgehunter | IRR COUNTY ROAD | ELM CK | 0.2 N. DUPREE | Steel Truss - Thru | NR eligible | 1935 | -- | 40.0 | 40.0 | Poor | 26.2 | 000000069203288 |
| NBI report | 173 ST (MEADE CO) | BEAVER CK | 13.0S 3.3E FAITH | Steel Stringer/Multi-beam or girder | -- | 1935 | 1984 | 30.8 | 32.5 | Fair | 50.5 | 000000069013400 |
| NBI report | IRR COUNTY ROAD | FLINT ROCK CK | 5.5 N & 8.5 W RED EL | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1945 | -- | 29.9 | 136.2 | Fair | 56.4 | 000000069030234 |
| NBI report | IRON LIGHTENING RD | BEAR CK | 0.2 S& 1.5 W RED ELM | Concrete Slab (3 spans) | -- | 1954 | -- | 27.9 | 74.2 | Fair | 71.7 | 000000069100288 |
| NBI report | IRR US212 | BEAR CK | 0.5 W OF DUPREE | Concrete Slab (5 spans) | -- | 1954 | -- | 25.9 | 128.6 | Good | 82.8 | 000000069194290 |
| NBI report | IRR US212 | CK | 0.4 E JCT SD 65 N | Concrete Culvert (2 spans) | -- | 1954 | -- | 12.1 | 24.9 | Fair | 93.8 | 000000069224292 |
| NBI report | IRR US212 | BEAR CK | 1 W OF REDELM | Concrete Slab (3 spans) | -- | 1955 | -- | 25.9 | 73.5 | Fair | 84.2 | 000000069105289 |
| NBI report | IRR BIA RTE 6 | RED SCAFFOLD CREEK | IN RED SCAFFOLD | Concrete Slab (3 spans) | -- | 1960 | -- | 29.9 | 80.1 | Fair | 83.3 | 00000000000A017 |
| NBI report | IRR SD063 | DUPREE CK | 1.7 N HAAKON CO LINE | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1961 | -- | 37.7 | 118.4 | Fair | 83.8 | 000000069383519 |
| NBI report | IRR BIA RTE 9 | ABEAR CREEK | 10 KM EAST OF JCT SD 63 | Concrete Channel beam (3 spans) | -- | 1962 | -- | 30.8 | 69.9 | Fair | 77.8 | 00000000000A011 |
| NBI report | IRR BIA RTE 6 | ASH CREEK | 19KM WEST OF CHERRY CREEK | Prestressed Tee beam (3 spans) | -- | 1968 | 2005 | 42.3 | 105.3 | Good | 90.3 | 00000000000A015 |
| NBI report | IRR BIA RTE 11 | CHERRY CREEK | 1 KM WEST OF CHERRY CREEK | Prestressed Tee beam (3 spans) | -- | 1968 | 2005 | 69.9 | 157.2 | Good | 98.7 | 00000000000A014 |
| NBI report | IRR BIA RTE 12 | BIG COTTONWOOD CREEK | 14 KM NE OF CHERRY CREEK | Concrete Channel beam (3 spans) | -- | 1969 | -- | 30.8 | 94.2 | Fair | 82.5 | 00000000000A012 |
| NBI report | IRR BIA RTE 12 | LITTLE COTTONWOOD CREEK | 10 KM NE OF CHERRY CREEK | Concrete Channel beam (3 spans) | -- | 1969 | -- | 30.8 | 94.2 | Fair | 94.7 | 00000000000A013 |
| NBI report | THUNDER BUTTE ROAD | THUNDER BUTTE CK | 12 N 5 W DUPREE | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1969 | -- | 69.9 | 184.1 | Fair | 97.0 | 000000069150171 |
| NBI report | THUNDER BUTTE ROAD | MOREAU RV | 11.2 N 4.2 W DUPREE | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1969 | -- | 129.9 | 334.0 | Fair | 90.8 | 000000069158178 |
| NBI report | IRR SD065 | MOREAU RV | 12.8 S JCT SD 20 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1972 | -- | 149.9 | 370.1 | Fair | 75.2 | 000000069249183 |
| NBI report | IRR SD020 | IRISH CK | 7.5 E OF GLAD VALLEY | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1975 | -- | 56.1 | 157.5 | Good | 99.4 | 000000069195060 |
| NBI report | IRR BIA RTE 6 | RED COAT CREEK | 1.9 KM SE OF RED SCAFFOLD | Prestressed Tee beam (3 spans) | -- | 1976 | 2005 | 34.1 | 87.9 | Fair | 96.7 | 00000000000A101 |
| NBI report | IRR SD063 | CHEYENNE RV | ZIEBACH-HAAKON CO LINE | Steel Stringer/Multi-beam or girder (12 spans) | -- | 1981 | -- | 182.1 | 2109.0 | Fair | 93.2 | 000000069390535 |
| NBI report | IRR SD065 | BEAR CK | 0.2 N JCT US 212 | Concrete Slab (3 spans) | -- | 1984 | -- | 26.2 | 76.8 | Good | 90.1 | 000000069220289 |
| NBI report | IRR SD065 | RED EARTH CK | 3.1 S JCT SD 20 | Concrete Slab (3 spans) | -- | 1984 | -- | 32.5 | 93.2 | Good | 90.1 | 000000069260092 |
| NBI report | IRR BIA RTE 6 | RATTLESNAKE CREEK | 13.0 KM SE RED SCAFFOLD | Prestressed Tee beam (3 spans) | -- | 1986 | -- | 33.8 | 87.9 | Fair | 84.9 | 00000000000A102 |
| NBI report | IRR BIA RTE 13 | CHERRY CREEK | 4 KM SE RED SCAFFOLD | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1987 | 2009 | 70.9 | 220.2 | Good | 95.6 | 00000000000A120 |
| NBI report | IRR SD063 | RUDEY CK | 10.2 N HAAKON CO LINE | Concrete Culvert (3 spans) | -- | 1993 | -- | 12.5 | 38.7 | Good | 94.2 | 000000069360444 |
| NBI report | OLD THUNDER BUTTE | MOREAU RV | 1.5E & 0.7N THUNDER BUTTE | Concrete Culvert (8 spans) | -- | 1993 | -- | 3.9 | 42.7 | Fair | 90.6 | 000000069181173 |
| NBI report | IRR SD063 | RUDY CK TRIBUTARY | 9.4 S DEWEY CO LINE | Concrete Culvert (2 spans) | -- | 1994 | -- | 9.8 | 20.7 | Good | 95.2 | 000000069360425 |
| NBI report | IRR SD065 | CK | 2.1 N JCT US 212 | Concrete Culvert (2 spans) | -- | 1995 | -- | 13.8 | 28.9 | Fair | 97.0 | 000000069220270 |
| NBI report | FOUR CORNER ROAD | LUIS CK | 4.0W BRIDGER | Concrete Culvert (2 spans) | -- | 2005 | -- | 13.5 | 27.9 | Good | 100.0 | 000000069002640 |