| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report | ELMORE RD | SPEARFISH CK | 0.2KM WEST OF 14A | Steel Stringer/Multi-beam or girder | -- | 1901 | -- | 20.0 | 24.0 | Poor | 24.3 | 000000041079199 |
| NBI report Bridgehunter | TIMM LN | WHITEWOOD CK | TIMM LN - DEADWOOD | Steel Stringer/Multi-beam or girder | -- | 1901 | -- | 40.0 | 44.6 | Poor | 39.2 | 000000041157166 |
| NBI report Bridgehunter | HELLMER WIDDOS RD | REDWATER RV | 2E 5.5N SPEARFISH | Steel Truss - Thru | NR eligible | 1910 | -- | 55.1 | 62.0 | Poor | 28.0 | 000000041110008 |
| NBI report | DORSETTE ROAD | REDWATER RV | 4.5N 2W SPEARFISH | Wood Stringer/Multi-beam or girder (3 spans) | -- | 1930 | -- | 29.9 | 67.6 | Poor | 27.4 | 000000041070012 |
| NBI report | HOMESTAKE ROAD | BEAVER CK | 6.5 W 1 N SPEARFISH | Wood Stringer/Multi-beam or girder (2 spans) | NR eligible | 1930 | -- | 20.0 | 41.3 | Good | 96.4 | 000000041024060 |
| NBI report | COUNTY RD 014B | MILLER CK | .2 W JCT US85S -SPEARFISH | Concrete Culvert (2 spans) | -- | 1934 | -- | 9.8 | 24.0 | Fair | 74.8 | 000000041155090 |
| NBI report Bridgehunter | WHITEWOOD SERVICE | COUNTY RD, D M & E RR | E BOUNDARY WHITEWOOD | Steel Stringer/Multi-beam or girder (6 spans) | NR eligible | 1937 | -- | 49.2 | 253.9 | Poor | 35.9 | 000000041211100 |
| NBI report Bridgehunter | I-90 SERVICE ROAD | WHITEWOOD CK | 1 MI E WHITEWOOD | Steel Stringer/Multi-beam or girder (5 spans) | NR eligible | 1938 | -- | 29.9 | 151.9 | Poor | 37.8 | 000000041214100 |
| NBI report Bridgehunter | I-90 SERVICE ROAD | SPRING CK | 2.5 MI. SE WHITEWOOD | Steel Stringer/Multi-beam or girder | -- | 1938 | -- | 47.9 | 49.9 | Poor | 42.0 | 000000041228112 |
| NBI report | FDR 140 | BOXELDER CREEK | T 3 N R 5 E SEC 29 | Prestressed Stringer/Multi-beam or girder | -- | 1940 | -- | 73.2 | 77.4 | Good | 90.0 | 020308000010007 |
| NBI report | HOMESTAKE ROAD | HIGGINS GULCH | 1W JCT US85 | Concrete Culvert (2 spans) | -- | 1940 | -- | 9.8 | 22.0 | Fair | 81.1 | 000000041084060 |
| NBI report Bridgehunter | I-90 SERVICE ROAD | CROW CK | 1.5 E WY STATE LINE | Steel Stringer/Multi-beam or girder | -- | 1940 | -- | 60.0 | 62.0 | Fair | 85.4 | 000000041015040 |
| NBI report Bridgehunter | FDR 140 | BOXELDER CREEK | T 3 N R 5 E SEC 28 | Concrete Tee beam | -- | 1948 | -- | 31.8 | 35.1 | Good | 95.0 | 020308000010094 |
| NBI report | ST ONGE ROAD | MILLER CK | .3W4.5S ST ONGE-SPEARFISH | Concrete Culvert (2 spans) | -- | 1950 | -- | 12.1 | 28.5 | Poor | 62.7 | 000000041160085 |
| NBI report | ST ONGE ROAD | FALSE BOTTOM CK | 0.1W 1.3S. ST. ONGE | Concrete Slab (5 spans) | -- | 1950 | -- | 35.1 | 163.1 | Poor | 41.2 | 000000041163053 |
| NBI report | ST ONGE ROAD | FALSE BOTTOM CK | 2.6 S ST. ONGE | Concrete Slab (5 spans) | -- | 1950 | -- | 24.9 | 117.1 | Poor | 40.2 | 000000041165066 |
| NBI report | US014A | DEADWOOD CK | 2 N JCT US 85 | Concrete Culvert (3 spans) | -- | 1953 | -- | 14.1 | 44.3 | Poor | 66.1 | 000000041141164 |
| NBI report | NEMO ROAD | BOXELDER CK | 4.5 SE NEMO | Concrete Culvert (3 spans) | -- | 1954 | -- | 12.5 | 39.0 | Fair | 83.1 | 000000041294313 |
| NBI report | WHITEWOOD VALLEY | WHITEWOOD CK | 0.9N 0.6E WHITEWOOD | Concrete Slab (5 spans) | -- | 1955 | -- | 40.0 | 186.0 | Poor | 23.6 | 000000041212091 |
| NBI report | NEMO ROAD | ELK CK | AT ROUBAIX | Concrete Culvert (2 spans) | -- | 1957 | -- | 9.8 | 22.0 | Fair | 84.6 | 000000041195226 |
| NBI report | SD034 | CK | 3.7 SE BUTTE CO LINE | Concrete Culvert (2 spans) | -- | 1963 | -- | 9.8 | 20.7 | Good | 97.4 | 000000041150030 |
| NBI report | WHITEWOOD VALLEY | WHITEWOOD CK | 6.5 NE WHITEWOOD | Concrete Slab (3 spans) | -- | 1963 | -- | 44.9 | 119.1 | Good | 95.2 | 000000041238044 |
| NBI report | HIGGINS GULCH | HIGGINS GULCH | T 6 N R 2 E SEC 7 | Prestressed Channel beam | -- | 1963 | 1982 | 24.0 | 26.2 | Fair | 84.9 | 020308000010024 |
| NBI report | US014A | ICE BOX CK | 0.2 E CHEYENNE XING | Concrete Culvert (2 spans) | -- | 1964 | -- | 14.1 | 29.2 | Fair | 87.9 | 000000041096211 |
| NBI report | US085 | SPEARFISH CK | 0.2 W CHEYENNE XING | Concrete Slab (3 spans) | -- | 1964 | -- | 23.3 | 67.3 | Fair | 95.6 | 000000041091213 |
| NBI report | JACKSON BLVD | SPEARFISH CK | JACKSON BLVD - SPEARFISH | Prestressed Box beam or girders - Multiple | -- | 1966 | -- | 68.9 | 71.9 | Fair | 74.8 | 000000041092079 |
| NBI report | WHITEWOOD VALLEY | WHITEWOOD CK | 4.0N 1.8E WHITWOOD | Concrete Slab (3 spans) | -- | 1966 | -- | 44.9 | 119.1 | Good | 97.8 | 000000041223060 |
| NBI report | I090 E | WHITEWOOD CK | 1.0 SE SD 34 N INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1967 | -- | 49.9 | 135.8 | Fair | 96.8 | 000000041214099 |
| NBI report | I090 E | SPRING CK | 3 SE SD 34 N INTERCH | Concrete Slab (3 spans) | -- | 1967 | -- | 32.8 | 92.9 | Fair | 96.8 | 000000041229112 |
| NBI report | I090 W | WHITEWOOD CK | 1.0 SE SD 34 N INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1967 | -- | 49.9 | 135.8 | Fair | 96.8 | 000000041214098 |
| NBI report | US014A | HOMESTAKE FLUME | 7.2 S OF SPEARFISH | Steel Stringer/Multi-beam or girder | -- | 1967 | -- | 38.1 | 39.7 | Fair | 98.2 | 000000041077137 |
| NBI report | US014A, PINE ST | WHITEWOOD CK | AT JCT US 85 S | Prestressed Girder and floorbeam system (17 spans) | -- | 1967 | 1989 | 45.6 | 1768.1 | Fair | 52.7 | 000000041161156 |
| NBI report | COUNTY RD | I090 | 2.2 W SD 34 N INTERCH | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1968 | -- | 69.9 | 253.9 | Fair | 88.9 | 000000041185086 |
| NBI report | EDEN RD | I090 | 2.4 SE SD 34 N INTERCH | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1968 | -- | 77.1 | 268.4 | Fair | 87.0 | 000000041226107 |
| NBI report | I090 E | CP/DM&E RR | 0.8 W SD 34 N INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1968 | -- | 72.5 | 191.9 | Fair | 85.7 | 000000041200089 |
| NBI report | I090 W | CP/DM&E RR | 0.8 W SD 34 N INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1968 | -- | 72.5 | 191.9 | Fair | 85.7 | 000000041200088 |
| NBI report | I090 W | SPRING CK | 3 SE SD 34 N INTERCH | Concrete Slab (3 spans) | -- | 1968 | -- | 32.8 | 92.9 | Fair | 97.8 | 000000041229111 |
| NBI report | SD034 | I090 | SD 34 W INTERCHANGE | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1968 | 1997 | 77.1 | 266.4 | Fair | 97.0 | 000000041207092 |
| NBI report | CHRISTENSEN ROAD | FALSE BOTTOM CK | Int Christensen Maitland | Prestressed Tee beam | -- | 1970 | -- | 39.4 | 40.4 | Poor | 34.9 | 000000041120105 |
| NBI report | I090 E | SANDSTONE DR | 0.7 W US 14A INTERCH | Concrete Slab (3 spans) | -- | 1970 | -- | 33.1 | 92.9 | Good | 93.6 | 000000041110086 |
| NBI report | I090 E | FALSE BOTTOM CK | 1 E US 14A INTERCH | Concrete Slab (3 spans) | -- | 1970 | -- | 38.1 | 106.0 | Good | 97.7 | 000000041126088 |
| NBI report | I090 W | SANDSTONE DR | 0.7 W US 14A INTERCH | Concrete Slab (3 spans) | -- | 1970 | -- | 33.1 | 92.9 | Fair | 95.6 | 000000041110085 |
| NBI report | I090 W | FALSE BOTTOM CK | 1 E US 14A INTERCH | Concrete Slab (3 spans) | -- | 1970 | -- | 38.1 | 106.0 | Good | 97.7 | 000000041126087 |
| NBI report | EXIT 10 SERVICE RD | SPEARFISH CK | 0.2 W JCT US 85 | Steel Girder and floorbeam system (3 spans) | -- | 1971 | -- | 81.4 | 172.9 | Poor | 90.2 | 000000041092060 |
| NBI report | I090 E | SPEARFISH CK | 0.3 W US 85 INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 63.0 | 148.0 | Fair | 96.5 | 000000041091059 |
| NBI report | I090 E | N RAINBOW RD | 1.5 W US 85 S INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 43.0 | 119.1 | Fair | 97.7 | 000000041140089 |
| NBI report | I090 E | ST ONGE OIL RD (FAS) | 0.7 E US 85 S INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 49.9 | 137.1 | Fair | 82.7 | 000000041160084 |
| NBI report | I090 E | POLO CK | 1 E US 85 S INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 38.1 | 106.0 | Good | 97.8 | 000000041162082 |
| NBI report | I090 EB OFF RAMP | SPEARFISH CK | 0.3 W US 85 INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 85.0 | 226.1 | Fair | 99.9 | 000000041092059 |
| NBI report | I090 W | SPEARFISH CK | 0.3 W US 85 INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 63.0 | 153.9 | Fair | 97.3 | 000000041091058 |
| NBI report | I090 W | N RAINBOW RD | 1.5 W US 85 S INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 43.0 | 119.1 | Good | 96.7 | 000000041140088 |
| NBI report | I090 W | ST ONGE OIL RD (FAS) | 0.7 E US 85 S INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 49.9 | 137.1 | Fair | 93.7 | 000000041160083 |
| NBI report | I090 W | POLO CK | 1 E US 85 S INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 38.1 | 106.0 | Fair | 97.8 | 000000041161082 |
| NBI report | I090 WB ON RAMP | SPEARFISH CK | 0.3 W US 85 INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 66.9 | 176.2 | Fair | 99.9 | 000000041092058 |
| NBI report | JACKSON BLVD | I090 | SPEARFISH INTERCHANGE | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1971 | -- | 86.0 | 273.3 | Good | 96.0 | 000000041101077 |
| NBI report | US085 | MILLER CK | 0.3 S I 90 INTERCH | Concrete Culvert (2 spans) | -- | 1971 | -- | 11.5 | 24.0 | Fair | 73.6 | 000000041156089 |
| NBI report | US085 N | I090 | US 85 S INTERCHANGE | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1971 | -- | 86.0 | 274.3 | Fair | 100.0 | 000000041155087 |
| NBI report | US085 N | POLO CK | 1 S I 90 INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 33.1 | 93.2 | Fair | 99.9 | 000000041162096 |
| NBI report | US085 S | I090 | US 85 S INTERCHANGE | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1971 | -- | 86.0 | 274.3 | Fair | 100.0 | 000000041154087 |
| NBI report | US085 S | POLO CK | 1 S I 90 INTERCH | Concrete Slab (3 spans) | -- | 1971 | -- | 33.1 | 93.2 | Fair | 99.9 | 000000041161096 |
| NBI report | US085 | I090 | US 85 INTERCHANGE | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1971 | 2011 | 106.0 | 330.7 | Fair | 98.0 | 000000041095059 |
| NBI report | I090 | HIGGINS GULCH | 1 W US 85 INTERCH | Concrete Culvert (2 spans) | -- | 1974 | -- | 10.2 | 21.0 | Fair | 82.6 | 000000041084057 |
| NBI report | I090 E | CROW CK | 1.7 E WYOMING LINE | Concrete Slab (3 spans) | -- | 1974 | -- | 42.7 | 119.1 | Fair | 97.9 | 000000041015042 |
| NBI report | I090 E | SCHENK LANE | 2 E WYO. LN, INTERCHANGE | Concrete Slab (3 spans) | -- | 1974 | -- | 47.9 | 131.9 | Fair | 94.0 | 000000041020042 |
| NBI report | I090 E | FAS COUNTY RD | 3 W US 85 INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1974 | -- | 69.9 | 174.2 | Fair | 97.9 | 000000041061057 |
| NBI report | I090 E | OLD BELLE RD | 1.3 W US 85 INTERCHANGE | Concrete Slab (3 spans) | -- | 1974 | -- | 42.7 | 113.9 | Fair | 83.8 | 000000041080058 |
| NBI report | I090 W | CROW CK | 1.7 E WYOMING LINE | Concrete Slab (3 spans) | -- | 1974 | -- | 42.7 | 119.1 | Fair | 97.9 | 000000041015041 |
| NBI report | I090 W | SCHENK LANE | 2 E WYO. LN, INTERCHANGE | Concrete Slab (3 spans) | -- | 1974 | -- | 47.9 | 131.9 | Fair | 94.0 | 000000041020041 |
| NBI report | I090 W | FAS COUNTY RD | 3 W US 85 INTERCH | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1974 | -- | 69.9 | 174.2 | Fair | 97.9 | 000000041061056 |
| NBI report | I090 W | OLD BELLE RD | 1.3 W US 85 INTERCHANGE | Concrete Slab (3 spans) | -- | 1974 | -- | 42.7 | 113.9 | Fair | 95.8 | 000000041080057 |
| NBI report | I090 WF | SPEARFISH CK | 0.4 W US 85 INTERCH | Steel Stringer/Multi-beam or girder | -- | 1974 | -- | 98.1 | 100.1 | Fair | 99.0 | 000000041091057 |
| NBI report | NEMO ROAD | BOXELDER CK | 2.3 N 3.5 W OF NEMO | Prestressed Stringer/Multi-beam or girder | -- | 1974 | -- | 65.0 | 66.9 | Fair | 90.3 | 000000041238262 |
| NBI report | NEMO ROAD | BOXELDER CK | 2.4 N 3.5 W NEMO | Prestressed Box beam or girders - Multiple | -- | 1974 | -- | 67.3 | 69.9 | Poor | 88.0 | 000000041239259 |
| NBI report | NEMO ROAD | BOXELDER CK | AT NEMO | Concrete Slab (3 spans) | -- | 1974 | -- | 29.9 | 80.1 | Good | 90.7 | 000000041274282 |
| NBI report | CAMP COMFORT ROAD | SPEARFISH CK | 1.5N SPEARFISH | Prestressed Tee beam | -- | 1975 | -- | 47.9 | 49.9 | Fair | 65.6 | 000000041087043 |
| NBI report | COUNTY RD | BEAVER CK | 7MI.W SPEARFISH | Prestressed Tee beam | -- | 1975 | -- | 37.4 | 38.4 | Fair | 84.7 | 000000041019070 |
| NBI report | NEMO ROAD | BOXELDER CK | 1.3 N & 2.6 W NEMO | Prestressed Box beam or girders - Multiple | -- | 1975 | -- | 60.0 | 62.0 | Fair | 79.2 | 000000041249268 |
| NBI report | NEMO ROAD | BOXELDER CK | 1.3N 2.5W OF NEMO | Prestressed Box beam or girders - Multiple | -- | 1975 | -- | 64.0 | 65.9 | Poor | 49.9 | 000000041250268 |
| NBI report | NEMO ROAD | ESTES CK | 1.6 S 0.6 E NEMO | Prestressed Stringer/Multi-beam or girder | -- | 1975 | -- | 48.9 | 51.5 | Good | 91.6 | 000000041280298 |
| NBI report | US014A | BEAR BUTTE CK | 2.9 W I 90 INTERCH | Concrete Frame | -- | 1975 | -- | 31.2 | 34.1 | Good | 94.2 | 000000041233142 |
| NBI report | CLEOPATRA ROAD | SPEARFISH CK | 6S AND 2W SPEARFISH | Prestressed Tee beam | -- | 1977 | -- | 38.1 | 40.0 | Fair | 84.9 | 000000041078142 |
| NBI report | FOGELSON RD | FALSE BOTTOM CK | 2.2 MI N & 1.2 W ST ONGE | Prestressed Tee beam | -- | 1977 | -- | 47.9 | 49.9 | Good | 90.8 | 000000041149017 |
| NBI report | RIMROCK LODGE ROAD | SPEARFISH CK | 5.0S AND 0.5W SPEARFISH | Prestressed Tee beam | -- | 1977 | -- | 38.1 | 40.0 | Fair | 82.9 | 000000041089117 |
| NBI report | COLORADO BLVD | FALSE BOTTOM CK | 2.4E JCT US14A -SPEARFISH | Concrete Slab (3 spans) | -- | 1978 | -- | 44.9 | 92.9 | Good | 89.2 | 000000041126089 |
| NBI report | US014A | SPEARFISH CK | 2.9 W & S I 90 EXIT 14 | Concrete Slab (2 spans) | -- | 1979 | -- | 49.2 | 106.0 | Fair | 97.1 | 000000041099096 |
| NBI report | YELLOW CREEK ROAD | WHITEWOOD CK | 0.5 SOUTH OF LEAD | Prestressed Stringer/Multi-beam or girder | -- | 1979 | -- | 59.4 | 61.0 | Fair | 98.9 | 000000041148183 |
| NBI report | UPPER REDWATER RD | REDWATER RV | 6 W & 4 N SPEARFISH | Prestressed Tee beam (3 spans) | -- | 1981 | -- | 40.0 | 80.1 | Fair | 92.8 | 000000041025020 |
| NBI report | WINTERVILLE ROAD | SPEARFISH CK | 0.5 S OF SPEARFISH | Prestressed Tee beam (3 spans) | -- | 1981 | -- | 40.0 | 100.1 | Fair | 79.8 | 000000041100087 |
| NBI report | US385 | WHITEWOOD CK | 0.5 S OF PLUMA | Concrete Slab | -- | 1985 | -- | 49.2 | 54.8 | Fair | 92.8 | 000000041156176 |
| NBI report | HILLSVIEW ROAD | SPEARFISH CK | HILLSVIEW ROAD-SPEARFISH | Concrete Slab (3 spans) | -- | 1986 | -- | 34.1 | 90.2 | Fair | 98.0 | 000000041091070 |
| NBI report | RODEO ENTRANCE | WHITEWOOD CK | RODEO ENTR. - DEADWOOD | Concrete Frame | -- | 1986 | -- | 39.4 | 41.3 | Good | 98.3 | 000000041166151 |
| NBI report | US014A | WHITEWOOD CK | 0.4 E JCT US 85 | Concrete Culvert (3 spans) | -- | 1986 | -- | 14.8 | 46.3 | Fair | 96.5 | 000000041172149 |
| NBI report | US085 S | REDWATER RV | AT BUTTE CO LINE | Concrete Slab (4 spans) | -- | 1986 | -- | 41.3 | 159.5 | Fair | 81.7 | 000000041094010 |
| NBI report | GRANT STREET | SPEARFISH CK | GRANT ST - SPEARFISH | Prestressed Stringer/Multi-beam or girder | -- | 1988 | -- | 81.0 | 82.0 | Fair | 86.6 | 000000041093081 |
| NBI report | MCKINLEY STREET | WHITEWOOD CK | MCKINLEY ST - DEADWOOD | Concrete Frame | -- | 1990 | -- | 39.0 | 41.0 | Good | 93.3 | 000000041164153 |
| NBI report | CANYON STREET | SPEARFISH CK | CANYON ST - SPEARFISH | Wood Box beam or girders - Multiple | -- | 1992 | -- | 63.0 | 65.0 | Good | 94.8 | 000000041095085 |
| NBI report | GOLDEN GATE | DEADWOOD CK | CENTRAL CITY | Concrete Frame | -- | 1992 | -- | 32.2 | 34.1 | Good | 100.0 | 000000041135165 |
| NBI report | KIRK ROAD | CK | 1.0E 0.5S LEAD | Concrete Frame | -- | 1992 | -- | 47.2 | 49.2 | Good | 99.0 | 000000041147182 |
| NBI report | US085 | WHITEWOOD CK | 0.1 NE JCT US 385 | Prestressed Stringer/Multi-beam or girder | -- | 1993 | -- | 51.8 | 54.5 | Fair | 97.4 | 000000041156169 |
| NBI report | US085 | WHITEWOOD CK | 0.6 NE JCT US 385 | Concrete Frame (2 spans) | -- | 1993 | -- | 23.3 | 51.8 | Fair | 97.4 | 000000041158166 |
| NBI report | US085 | WHITEWOOD CK | 0.8 NE JCT US 385 | Concrete Slab (2 spans) | -- | 1993 | -- | 29.2 | 64.0 | Fair | 97.4 | 000000041159165 |
| NBI report | US014A | CK | 2.0 W & S I 90 INTERCH | Concrete Culvert (2 spans) | -- | 1994 | -- | 10.2 | 21.0 | Good | 100.0 | 000000041100088 |
| NBI report | US014A | CK | 1.2 W I 90 INTERCH | Concrete Culvert (3 spans) | -- | 1994 | -- | 11.2 | 35.8 | Good | 100.0 | 000000041106086 |
| NBI report | US014A | CK | 0.7 W I 90 INTERCH | Concrete Culvert (3 spans) | -- | 1994 | -- | 12.8 | 39.7 | Good | 100.0 | 000000041111086 |
| NBI report Bridgehunter | WALNUT STREET | WHITEWOOD CK | CHARLES ST - DEADWOOD | Concrete Frame | -- | 1994 | -- | 41.0 | 44.9 | Good | 95.0 | 000000041158162 |
| NBI report | US385 | MIDDLE BOX ELDER CK | 5.8 N PENNINGTON CO LINE | Concrete Culvert (3 spans) | -- | 1995 | -- | 8.9 | 28.2 | Good | 95.2 | 000000041204277 |
| NBI report | US014AEF | DEADWOOD CK | 0.3 E OF CENTRAL CITY | Steel Stringer/Multi-beam or girder | -- | 1997 | -- | 69.9 | 71.9 | Fair | 100.0 | 000000041148163 |
| NBI report | NASH ST | SPEARFISH CK | NASH ST - SPEARFISH | Concrete Frame | -- | 1998 | -- | 36.7 | 38.4 | Fair | 89.0 | 000000041092076 |
| NBI report | SD034 | FALSE BOTTOM CK | 5.1 SE BUTTE CO LINE | Concrete Culvert (6 spans) | -- | 1998 | -- | 11.2 | 70.9 | Fair | 98.4 | 000000041161038 |
| NBI report | SAINT JOE ST | CHIPMUNK GULCH | ST JOE ST SPEARFISH | Concrete Culvert (2 spans) | -- | 1999 | -- | 12.1 | 24.6 | Good | 100.0 | 000000041090071 |
| NBI report | US014A | DRAW | 0.5 NE JCT 85/14A | Concrete Culvert (2 spans) | -- | 1999 | -- | 8.9 | 26.2 | Fair | 88.6 | 000000041174149 |
| NBI report | US014A | BOULDER CK | 3.2 NE JCT 85/14A | Concrete Culvert (2 spans) | -- | 1999 | -- | 9.8 | 29.2 | Good | 88.6 | 000000041198147 |
| NBI report | US014A | DRAW | 4.2 SW JCT 90/14A | Concrete Culvert (2 spans) | -- | 1999 | -- | 9.8 | 22.0 | Good | 88.6 | 000000041231144 |
| NBI report | HOMESTAKE ROAD | HIGGINS GULCH | .9N 2.7W SPEARFISH | Concrete Culvert (2 spans) | -- | 2000 | -- | 12.1 | 25.9 | Good | 100.0 | 000000041068069 |
| NBI report | US014A | BEAR BUTTE CK | 3.5 W I 90 INTERCH | Steel Stringer/Multi-beam or girder | -- | 2000 | -- | 73.5 | 75.5 | Fair | 83.6 | 000000041234145 |
| NBI report | US385 | WEST STRAWBERRY CK | 0.6 S OF PLUMA | Concrete Culvert (2 spans) | -- | 2002 | -- | 17.1 | 34.8 | Good | 94.1 | 000000041156177 |
| NBI report | US385 | BEAR BUTTE CK | 6.2 S OF PLUMA | Concrete Culvert (2 spans) | -- | 2002 | -- | 12.8 | 26.2 | Good | 94.1 | 000000041187214 |
| NBI report | CAMP COMFORT ROAD | HIGGINS GULCH | 0.5N SPEARFISH | Metal Culvert | -- | 2003 | -- | 24.0 | 24.0 | Good | 92.6 | 000000041083043 |
| NBI report | CROKED CREEK | FALSE BOTTOM CREEK | T 5 N R 2 E SEC 24 | Wood Stringer/Multi-beam or girder | -- | 2003 | -- | 22.3 | 23.3 | Good | 84.0 | 020306000010019 |
| NBI report | OLD BELLE HWY | TRIB TO SPEARFISH CK | 1.5 W 4.2 N SPEARFISH | Prestressed Stringer/Multi-beam or girder | -- | 2003 | -- | 76.1 | 80.1 | Good | 99.5 | 000000041080037 |
| NBI report | US014A | SPEARFISH CK | 4.8 N CHEYENNE XING | Prestressed Stringer/Multi-beam or girder | -- | 2003 | -- | 81.0 | 85.0 | Good | 99.5 | 000000041063178 |
| NBI report | FDR 186 | FALSE BOTTOM CREEK | T 5 N R 2 E SEC 24 | Wood Slab | -- | 2003 | 2012 | 22.3 | 23.3 | Good | 67.5 | 020306000010069 |
| NBI report | KIRK RD | WHITEWOOD CK | 1.0E 0.5S LEAD | Prestressed Tee beam | -- | 2004 | -- | 72.8 | 74.5 | Fair | 89.0 | 000000041151177 |
| NBI report | OLD BELLE HWY | REDWATER RV | 0.5W 7.0N SPEARFISH | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2005 | -- | 58.7 | 148.0 | Good | 99.5 | 000000041090009 |
| NBI report | US085 N | REDWATER RV | BUTTE CO LINE | Concrete Slab (4 spans) | -- | 2005 | -- | 43.6 | 159.5 | Good | 94.8 | 000000041095010 |
| NBI report | OLD BELLE HWY | SPEARFISH CK | 1.5 W 5.5 N SPEARFIS | Concrete Slab (3 spans) | -- | 2006 | -- | 45.6 | 127.0 | Good | 99.5 | 000000041079024 |
| NBI report | COUNTY RD | REDWATER RV | 1W 6.5N SPEARFISH | Prestressed Slab | -- | 2008 | -- | 34.8 | 39.4 | Fair | 72.4 | 000000041079006 |
| NBI report | Peterson Rd | Whitewood Creek | 2 mi S of Lead, SD | Steel Stringer/Multi-beam or girder | -- | 2011 | -- | 23.3 | 60.4 | Fair | 75.7 | 0000000L2022757 |
| NBI report | US014A | I090 | US 14A INTERCHANGE | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 2016 | -- | 90.2 | 183.1 | Good | 100.0 | 000000041116088 |
| NBI report | STATE PARK RD | CROW CK | 7.1W 2.8N SPEARFISH | Prestressed Tee beam | -- | 2017 | -- | 57.1 | 61.4 | Good | 80.0 | 000000041019032 |
| NBI report Bridgehunter | Alcorn Ridge Road | POLO CK | 0.9E JCT US85S -SPEARFISH | Concrete Culvert (4 spans) | -- | 2018 | -- | 12.1 | 50.2 | Good | 95.9 | 000000041163083 |