| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report | US 14/16 | S Wildcat Creek | Ucross - Jct Wyo 59 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1939 | -- | 29.9 | 127.6 | Poor | 77.0 | CLF |
| NBI report Bridgehunter | US 14/16 | Rawhide Creek | Ucross - Jct Wyo 59 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1941 | -- | 39.0 | 163.4 | Fair | 71.7 | CLH |
| NBI report | WYO 59 | Burlington Supply Ditch | Gillette | Concrete Culvert (2 spans) | -- | 1941 | 1979 | 8.5 | 22.0 | Fair | 73.2 | CSH |
| NBI report | WYO 59 | Coal Creek | Gillette - Mont Line | Concrete Culvert (3 spans) | -- | 1951 | -- | 6.9 | 24.9 | Good | 91.0 | CHE |
| NBI report | WYO 59 | Unnamed Draw | Gillette - Mont Line | Concrete Culvert (2 spans) | -- | 1951 | -- | 9.8 | 24.0 | Good | 91.0 | CHF |
| NBI report | WYO 51 | Unnamed Draw | Gillette - Moorcroft | Concrete Culvert (4 spans) | -- | 1952 | -- | 9.8 | 57.1 | Fair | 98.8 | BGC |
| NBI report | WYO 51 | Donkey Creek | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1952 | -- | 40.0 | 107.9 | Fair | 59.5 | BGD |
| NBI report | WYO 59 | Unnamed Draw | Gillette - Mont Line | Concrete Culvert (2 spans) | -- | 1954 | -- | 9.8 | 23.0 | Fair | 79.5 | BLD |
| NBI report | WYO 59 | Elk Creek | Gillette - Mont Line | Concrete Slab (6 spans) | -- | 1954 | -- | 27.9 | 158.1 | Fair | 75.2 | CHJ |
| NBI report | WYO 59 | Unnamed Draw | Gillette - Mont Line | Concrete Culvert (3 spans) | -- | 1954 | -- | 9.8 | 33.1 | Good | 91.0 | CHK |
| NBI report | WYO 59 | Olmstead Draw | Gillette - Mont Line | Concrete Slab (6 spans) | -- | 1954 | -- | 27.9 | 159.1 | Fair | 67.8 | CHL |
| NBI report | WYO 51 | Donkey Creek | Gillette - Moorcroft | Concrete Slab (4 spans) | -- | 1956 | -- | 24.0 | 90.9 | Fair | 49.5 | BGE |
| NBI report | I-90 EBL | Unknown | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1959 | -- | 24.9 | 67.9 | Fair | 85.1 | BFR |
| NBI report | I-90 EBL | Machinery Pass | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1959 | -- | 24.9 | 67.9 | Fair | 86.6 | BFT |
| NBI report | I-90 EBL | Machinery Pass | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1959 | -- | 24.9 | 67.9 | Fair | 97.7 | BFV |
| NBI report | I-90 WBL | Unknown | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1959 | -- | 24.9 | 67.9 | Fair | 84.5 | BFS |
| NBI report | I-90 WBL | Machinery Pass | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1959 | -- | 24.9 | 67.9 | Fair | 97.6 | BFU |
| NBI report | I-90 WBL | Machinery Pass | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1959 | -- | 24.9 | 67.9 | Fair | 97.6 | BFW |
| NBI report | I-90 EBL | Unknown | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 24.9 | 67.9 | Fair | 93.1 | BFH |
| NBI report | I-90 EBL | W Fork Wild Horse Creek | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 35.1 | 94.2 | Fair | 97.7 | BFJ |
| NBI report | I-90 EBL | E Fork Wild Horse Creek | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 33.1 | 86.9 | Fair | 97.7 | BFL |
| NBI report | I-90 EBL | Wild Horse Creek Road | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 35.1 | 94.2 | Fair | 84.9 | BFN |
| NBI report | I-90 EBL | County Road 32 | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 35.1 | 94.2 | Fair | 82.9 | BFP |
| NBI report | I-90 WBL | Unknown | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 24.9 | 67.9 | Fair | 93.1 | BFI |
| NBI report | I-90 WBL | W Fork Wild Horse Creek | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 35.1 | 94.2 | Fair | 96.8 | BFK |
| NBI report | I-90 WBL | E Fork Wild Horse Creek | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 32.8 | 86.9 | Fair | 97.7 | BFM |
| NBI report | I-90 WBL | Wild Horse Creek Road | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 35.1 | 94.2 | Fair | 83.0 | BFO |
| NBI report | I-90 WBL | County Road 32 | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1960 | -- | 35.1 | 94.2 | Fair | 83.0 | BFQ |
| NBI report | WYO 59 | Dry Fork Creek | Gillette-Montana | Steel Culvert (3 spans) | -- | 1960 | -- | 8.9 | 33.1 | Fair | 76.6 | HVK |
| NBI report | I-90 EBL | Machinery Pass | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1962 | -- | 24.9 | 67.9 | Fair | 82.9 | BFB |
| NBI report | I-90 EBL | County Road 19 | Buffalo - Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1962 | -- | 41.0 | 110.9 | Fair | 96.0 | BFD |
| NBI report | I-90 EBL | County Road 20/63 | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1962 | -- | 34.8 | 92.9 | Fair | 84.0 | BFF |
| NBI report | I-90 WBL | Machinery Pass | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1962 | -- | 24.9 | 67.9 | Fair | 81.9 | BFC |
| NBI report | I-90 WBL | County Road 19 | Buffalo - Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1962 | -- | 41.0 | 110.9 | Fair | 95.0 | BFE |
| NBI report | I-90 WBL | County Road 20/63 | Buffalo - Gillette | Concrete Slab (3 spans) | -- | 1962 | -- | 34.8 | 92.9 | Fair | 84.0 | BFG |
| NBI report | County Road 20 | N Fork Dead Horse Creek | 19 Mi. S.W. Of Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1965 | -- | 16.1 | 48.9 | Poor | 71.3 | DVX |
| NBI report | County Road 18 | Dry Donkey Creek | 21 Mi. S.W. Of Gilletee | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1965 | 1994 | 24.0 | 50.9 | Good | 66.5 | DVY |
| NBI report Bridgehunter | I-90 EBL | WYO 50 | Gillette | Concrete Tee beam (3 spans) | -- | 1970 | -- | 56.1 | 146.0 | Fair | 83.0 | BFX |
| NBI report | I-90 EBL | County Road 4605 | Gillette | Concrete Box beam or girders - Multiple (3 spans) | -- | 1970 | -- | 75.8 | 198.2 | Fair | 81.5 | CRA |
| NBI report | I-90 WBL | WYO 50 | Gillette | Concrete Tee beam (3 spans) | -- | 1970 | -- | 56.1 | 146.0 | Fair | 93.0 | BFY |
| NBI report | I-90 WBL | County Road 4605 | Gillette | Concrete Box beam or girders - Multiple (3 spans) | -- | 1970 | -- | 76.1 | 198.2 | Fair | 81.5 | CSC |
| NBI report Bridgehunter | I-90 EBL | County Road 40 | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1971 | -- | 60.0 | 153.9 | Fair | 97.7 | BGG |
| NBI report | I-90 EBL | WYO 59 | Gillette | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1971 | -- | 107.9 | 220.2 | Poor | 49.0 | CYK |
| NBI report | I-90 EBL | Unknown | Gillette | Concrete Tee beam (3 spans) | -- | 1971 | -- | 59.1 | 150.9 | Fair | 93.6 | CYM |
| NBI report | I-90 WBL | County Road 40 | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1971 | -- | 60.0 | 153.9 | Fair | 97.7 | BGH |
| NBI report | I-90 WBL | WYO 59 | Gillette | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1971 | -- | 107.9 | 220.2 | Fair | 93.0 | CYL |
| NBI report | I-90 WBL | Unknown | Gillette | Concrete Stringer/Multi-beam or girder (3 spans) | -- | 1971 | -- | 59.1 | 136.2 | Fair | 94.3 | CYN |
| NBI report | I-90 | US 14 16/BN RR | Gillette | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1972 | -- | 110.9 | 337.0 | Fair | 95.9 | DAI |
| NBI report | WYO 59 | Caballo Creek | Reno Jct - Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1972 | -- | 47.9 | 125.0 | Fair | 88.2 | CXP |
| NBI report | WYO 59 | Bone Pile Creek | Reno Jct - Gillette | Concrete Culvert (2 spans) | -- | 1972 | 1984 | 9.8 | 21.0 | Good | 98.2 | CGQ |
| NBI report | County Road 58 | I-90 | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1974 | -- | 127.0 | 257.9 | Fair | 85.1 | DBG |
| NBI report | County Road 94 | I-90 | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1974 | -- | 137.1 | 279.9 | Fair | 86.0 | DBD |
| NBI report | I-90 EBL | Stonepile Creek | Gillette | Concrete Culvert (4 spans) | -- | 1974 | -- | 9.8 | 50.9 | Good | 79.2 | CYO |
| NBI report | I-90 EBL | Machinery Pass | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1974 | -- | 24.9 | 66.9 | Fair | 86.6 | DAV |
| NBI report | I-90 EBL | County Road 92 | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1974 | -- | 63.0 | 146.0 | Fair | 96.7 | DBT |
| NBI report | I-90 WBL | Machinery Pass | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1974 | -- | 24.9 | 66.9 | Fair | 86.6 | DAW |
| NBI report | I-90 WBL | County Road 92 | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1974 | -- | 63.0 | 146.0 | Fair | 96.7 | DBU |
| NBI report | WYO 59 | Antelope Butte Creek | Reno Jct - Gillette | Concrete Culvert (3 spans) | -- | 1975 | -- | 7.9 | 25.9 | Good | 64.0 | CBH |
| NBI report | WYO 59 | Donkey Creek | Reno Jct - Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1975 | -- | 49.9 | 129.9 | Fair | 77.0 | CBJ |
| NBI report | County Road 3 | I-90 | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1976 | -- | 131.9 | 268.1 | Fair | 96.0 | CDM |
| NBI report | I-90 EBL | County Road 3 | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1976 | -- | 57.1 | 145.0 | Fair | 85.9 | CDK |
| NBI report | I-90 EBL | Machinery Pass | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1976 | -- | 30.8 | 75.1 | Fair | 84.3 | CFG |
| NBI report | I-90 EBL | Hi-Line Rd | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1976 | -- | 57.1 | 145.0 | Fair | 96.5 | DAK |
| NBI report | I-90 EBL | BN RR | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1976 | -- | 53.2 | 138.1 | Fair | 97.6 | DAT |
| NBI report | I-90 EBL | Unnamed Draw | Gillette - Moorcroft | Concrete Culvert (3 spans) | -- | 1976 | -- | 6.9 | 23.0 | Good | 81.6 | DAZ |
| NBI report | I-90 EBL | Unnamed Draw | Gillette - Moorcroft | Concrete Culvert (2 spans) | -- | 1976 | -- | 9.8 | 24.0 | Fair | 81.6 | DBC |
| NBI report | I-90 Ramp | Unnamed Draw | Gillette - Moorcroft | Concrete Culvert (3 spans) | -- | 1976 | -- | 6.9 | 25.9 | Good | 97.7 | DBA |
| NBI report | I-90 Ramp | Unnamed Draw | Gillette - Moorcroft | Concrete Culvert (3 spans) | -- | 1976 | -- | 6.9 | 22.0 | Good | 96.7 | DBB |
| NBI report | I-90 WBL | County Road 3 | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1976 | -- | 57.1 | 145.0 | Fair | 86.6 | CDL |
| NBI report | I-90 WBL | Machinery Pass | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1976 | -- | 30.8 | 75.1 | Fair | 84.3 | CFW |
| NBI report | I-90 WBL | Hi-Line Rd | Gillette - Moorcroft | Concrete Tee beam (3 spans) | -- | 1976 | -- | 57.1 | 145.0 | Fair | 96.5 | DAL |
| NBI report | I-90 WBL | BN RR | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1976 | -- | 53.2 | 138.1 | Fair | 96.6 | DAU |
| NBI report | County Road 65 | BN RR | 12 Mi. N.E. Of Reno Jct | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1977 | -- | 97.1 | 253.0 | Fair | 89.8 | EUC |
| NBI report | US 14/16 | Spotted Horse Creek | Ucross - Jct Wyo 59 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1977 | -- | 44.9 | 115.2 | Fair | 80.7 | DCK |
| NBI report | WYO 450 | Coal Haul Road | Newcastle - Jct Wyo 59 | Steel Stringer/Multi-beam or girder | -- | 1977 | -- | 86.0 | 89.9 | Fair | 87.9 | DDT |
| NBI report | WYO 59 | E Fork Hay Creek | Reno Jct - Gillette | Concrete Culvert (3 spans) | -- | 1977 | -- | 9.8 | 36.1 | Good | 87.9 | DCF |
| NBI report | WYO 59 | Hay Creek | Reno Jct - Gillette | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1977 | -- | 33.1 | 122.1 | Fair | 85.6 | DCG |
| NBI report | WYO 59 | Dry Creek | Reno Jct - Gillette | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1977 | -- | 30.2 | 63.0 | Fair | 85.6 | DCH |
| NBI report | WYO 59 | Unnamed Draw | Reno Jct - Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1977 | -- | 29.9 | 76.1 | Fair | 75.9 | DCI |
| NBI report | Butler Spaeth Road | Stonepile Creek | Butler-Spaeth Rd Gillette | Concrete Culvert (6 spans) | -- | 1978 | -- | 9.8 | 64.0 | Good | 99.0 | DKY |
| NBI report | County Road 96 | Donkey Creek | 10 Mi. E. Of Gillette | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1978 | -- | 19.0 | 43.0 | Poor | 67.4 | DWC |
| NBI report | North Burma Avenue | Little N F Dead Horse Ck | North Burma Road Gillette | Concrete Culvert (5 spans) | -- | 1979 | -- | 9.8 | 60.0 | Fair | 87.8 | DVW |
| NBI report | WYO 450 | BN RR | Newcastle - Jct Wyo 59 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1979 | -- | 86.0 | 223.1 | Fair | 80.3 | DEX |
| NBI report | WYO 59 | BN RR | Gillette - Mont Line | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1979 | -- | 116.1 | 291.0 | Fair | 69.0 | DIJ |
| NBI report | WYO 59 | Spring Creek | Douglas - Reno Jct | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1979 | -- | 63.0 | 166.0 | Fair | 79.3 | DIR |
| NBI report | County Road 38N | BN RR | 9 Mi Ne Of Gillette | Steel Culvert | -- | 1980 | -- | 26.6 | 26.9 | Good | 90.9 | LDQ |
| NBI report | WYO 387 | Dry Fork Powder River | Midwest - Reno Jct | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1980 | -- | 71.9 | 191.9 | Fair | 78.1 | DIT |
| NBI report | WYO 450 | BN RR | Newcastle - Jct Wyo 59 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1980 | -- | 74.2 | 193.9 | Fair | 84.7 | DKO |
| NBI report | WYO 51 | BN RR | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1980 | -- | 99.1 | 253.9 | Fair | 99.8 | DHD |
| NBI report | WYO 51 | BN RR | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1980 | -- | 128.0 | 296.9 | Fair | 99.8 | DHE |
| NBI report | WYO 51 | Dry Donkey Creek | Gillette - Moorcroft | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1980 | -- | 56.1 | 145.0 | Fair | 99.8 | DHF |
| NBI report | BN RR | WYO 59 | Gillette | Steel Stringer/Multi-beam or girder | -- | 1981 | -- | 47.9 | 187.0 | -- | -- | DIB |
| NBI report | County Road 30 | BN RR | 10 Mi. S.E. Of Reno Jct | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1981 | -- | 78.1 | 204.1 | Fair | 90.6 | EUD |
| NBI report | County Road 53 | BN RR | 25 Mi. S.S.E. Of Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1981 | -- | 63.0 | 179.1 | Good | 89.8 | EUB |
| NBI report | County Road 99B | BN RR | 20 Mi. S.E. Of Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1981 | -- | 88.9 | 231.0 | Fair | 90.3 | EUG |
| NBI report | US 14 | Stonepile Creek | Gillette | Concrete Culvert (4 spans) | -- | 1981 | -- | 8.9 | 38.1 | Good | 84.1 | DEH |
| NBI report | Gurley Avenue | US 14/16 | Gillette/Gurley Ave.Viad. | Steel Stringer/Multi-beam or girder (10 spans) | -- | 1982 | -- | 180.1 | 982.0 | Fair | 89.0 | FBR |
| NBI report | S. Brooks Avenue | Stonepile Creek | Gillette Streets | Concrete Culvert (5 spans) | -- | 1982 | -- | 8.9 | 48.9 | Good | 96.5 | FDT |
| NBI report | Warlow Road | Stonepile Creek | Gillette | Concrete Culvert (6 spans) | -- | 1982 | -- | 7.9 | 100.1 | Fair | 98.4 | FDR |
| NBI report | Warlow Road | Stonepile Creek | Gilette | Concrete Culvert (4 spans) | -- | 1982 | -- | 7.9 | 81.0 | Good | 98.6 | FDS |
| NBI report | WYO 387 | Hay Creek | Midwest - Reno Jct | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1982 | -- | 38.1 | 98.1 | Fair | 83.3 | DZR |
| NBI report | WYO 387 | Unnamed Draw | Midwest - Reno Jct | Concrete Culvert (3 spans) | -- | 1982 | -- | 9.8 | 30.8 | Good | 83.9 | DZS |
| NBI report | County Road 118 | Donkey Creek | Four J Road Gillette | Steel Stringer/Multi-beam or girder | -- | 1983 | -- | 53.2 | 55.1 | Fair | 90.1 | EOF |
| NBI report | County Road 12 | Timber Creek | T49N R069W S29 | Steel Stringer/Multi-beam or girder | -- | 1983 | -- | 37.1 | 40.0 | Fair | 90.3 | FDL |
| NBI report | County Road 99B | Sunedco Haul Road | 20 Mi. S.E. Of Gillette | Prestressed Stringer/Multi-beam or girder | -- | 1983 | -- | 103.0 | 112.9 | Fair | 99.9 | FKG |
| NBI report | US 14/16 | N Wildcat Creek | Ucross - Jct Wyo 59 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1983 | -- | 51.8 | 133.9 | Fair | 86.1 | EOG |
| NBI report | US 14/16 | Horse Creek | Ucross - Jct Wyo 59 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1983 | -- | 40.0 | 105.0 | Fair | 84.7 | EOH |
| NBI report | Echeta Road | Stonepile Creek | Gillette-Echeta Road | Concrete Culvert (3 spans) | -- | 1984 | -- | 8.9 | 38.1 | Good | 98.8 | FGD |
| NBI report | El Camino Ct | Stonepile Creek | Gillette Streets | Concrete Culvert (4 spans) | -- | 1984 | -- | 15.1 | 62.0 | Fair | 85.9 | FGE |
| NBI report | US 14/16 | Stonepile Creek | Gillette | Concrete Culvert (3 spans) | -- | 1984 | -- | 7.9 | 24.9 | Good | 84.4 | EGL |
| NBI report | WYO 59 | Belle Fourche River | Douglas-Gillette Road | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1984 | -- | 57.1 | 149.9 | Fair | 93.6 | FBP |
| NBI report | American Lane | Little Rawhide Creek | Gillette Streets | Concrete Culvert (3 spans) | -- | 1985 | -- | 7.9 | 23.0 | Good | 91.8 | FHM |
| NBI report | Buckskin Drive | Little Rawhide Creek | Gillette Streets | Concrete Culvert (3 spans) | -- | 1985 | -- | 7.9 | 38.1 | Good | 45.6 | FHK |
| NBI report | Constitution Drive | Little Rawhide Creek | Gillette Streets | Concrete Culvert (3 spans) | -- | 1985 | -- | 7.9 | 24.0 | Good | 91.8 | FHL |
| NBI report | WYO 50 | Mud Spring Creek | Savageton-Pine Tree | Steel Culvert (3 spans) | -- | 1985 | -- | 11.8 | 41.0 | Fair | 82.2 | FKC |
| NBI report | WYO 50 | S Branch Fourmile Creek | Savageton-Pine Tree | Steel Culvert (3 spans) | -- | 1985 | -- | 7.5 | 26.9 | Fair | 82.2 | FKD |
| NBI report | BN RR | County Road 12 | T48N R71W S25 | Steel Stringer/Multi-beam or girder | -- | 1986 | -- | 52.2 | 128.9 | -- | -- | FKX |
| NBI report | BN RR | County Road 12 | T48N R71W S25 | Steel Stringer/Multi-beam or girder | -- | 1986 | -- | 5.9 | 146.0 | -- | -- | FKY |
| NBI report | County Road 12 | County Road 12 | T45N R71W S25 | Steel Stringer/Multi-beam or girder | -- | 1986 | -- | 56.1 | 145.0 | -- | -- | FKZ |
| NBI report | County Road 29 | Wild Horse Creek | 2 Miles S.E. Of Echeta | Prestressed Stringer/Multi-beam or girder | -- | 1987 | -- | 73.2 | 76.1 | Good | 100.0 | FJW |
| NBI report | County Road 91 | Cottonwood Creek | T53N R070W 536 | Prestressed Stringer/Multi-beam or girder | -- | 1987 | -- | 84.0 | 86.0 | Fair | 100.0 | FJU |
| NBI report | County Road 98 | Little Powder River | 50 Mi N Of Gillette | Concrete Stringer/Multi-beam or girder | -- | 1987 | -- | 88.9 | 92.9 | Good | 98.2 | FJX |
| NBI report | WYO 59 | N F Little Rawhide Creek | Gillette-Montana | Steel Culvert (2 spans) | -- | 1989 | -- | 6.6 | 24.9 | Good | 80.0 | GDP |
| NBI report | County Road 38N | I-90 | Gillette-Moorcroft | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 128.0 | 259.9 | Fair | 87.8 | FIT |
| NBI report | County Road 61 | Belle Fourche River | O.R. County Road | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1990 | -- | 37.1 | 111.9 | Fair | 93.6 | FRE |
| NBI report | County Road 11 | SA Creek | Big Powder River Road | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1991 | -- | 37.1 | 111.9 | Fair | 87.4 | FNM |
| NBI report | WYO 59 | Dry Fork Creek | Gillette-Montana | Steel Culvert (3 spans) | -- | 1992 | -- | 8.2 | 40.0 | Good | 88.6 | GFX |
| NBI report | BN RR | County Road 12 | 19 Miles Se Of Gillette | Steel Stringer/Multi-beam or girder | -- | 1996 | -- | 51.8 | 128.9 | -- | -- | KUB |
| NBI report | County Road 49 | Little Powder River | Rocky Point Road | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1996 | -- | 55.1 | 164.1 | Fair | 95.2 | KLU |
| NBI report | Enzi Drive | Donkey Creek | 1 Mi South Of Gillette | Concrete Culvert (3 spans) | -- | 1997 | -- | 9.8 | 32.2 | Good | 92.6 | LEJ |
| NBI report | County Road 4 | Triton Coal Rr Spur | 14 Mi Se Of Wright | Steel Culvert | -- | 1998 | -- | 26.6 | 26.9 | Good | 98.0 | LDP |
| NBI report | County Road 38N | Donkey Creek | S E Gillette | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 1999 | -- | 78.1 | 160.1 | Fair | 92.0 | LEL |
| NBI report | County Road 38N | Stonepile Creek | Se Gillette | Concrete Culvert (2 spans) | -- | 1999 | -- | 12.1 | 26.9 | Good | 100.0 | LEX |
| NBI report | WYO 51 | Donkey Creek | 5 Mi East Of Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2002 | -- | 54.5 | 145.0 | Good | 99.7 | LIZ |
| NBI report | WYO 59 | Little Powder River | Gillette - Montana Sta | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2005 | -- | 42.0 | 109.9 | Fair | 88.6 | KNX |
| NBI report | WYO 59 | Corral Creek | Gillette - Montana Sta | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2005 | -- | 32.5 | 85.0 | Fair | 88.6 | KNY |
| NBI report | Butler Spaeth Road | Donkey Creek | Gillette, Butler Spaeth R | Steel Stringer/Multi-beam or girder | -- | 2007 | -- | 89.9 | 89.9 | Fair | 99.5 | MQC |
| NBI report | Shoshone Avenue | Donkey Creek | Gillette, Shoshone Ave | Concrete Culvert (2 spans) | -- | 2007 | -- | 14.1 | 40.7 | Good | 88.5 | MQF |
| NBI report | WYO 51 | BNSF RR | Gillette-Moorcroft | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2007 | -- | 163.1 | 384.9 | Fair | 98.3 | LIM |
| NBI report | WYO 59 | Little Powder River | Gillette-Mt State Line | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2007 | -- | 99.1 | 254.9 | Good | 88.8 | LWT |
| NBI report | BN RR | County Road 12 | 19 Mi Se Of Gillette | Steel Stringer/Multi-beam or girder | -- | 2008 | -- | 48.9 | 145.0 | -- | -- | MGX |
| NBI report | WYO 59 | Homestead Trickle | P-43 Gillette St/Douglas | Concrete Culvert (2 spans) | -- | 2008 | -- | 12.1 | 175.2 | Good | 79.9 | MBF |
| NBI report | County Road 26 | Cow Creek | 22 Miles Ne Of Gillette | Concrete Tee beam | -- | 2009 | -- | 49.9 | 51.8 | Good | 98.9 | MJP |
| NBI report | County Road 90 | Donkey Creek | 3 Mi East Of Rozet | Concrete Culvert (2 spans) | -- | 2009 | -- | 16.1 | 33.8 | Good | 92.7 | MDY |
| NBI report | Sinclair Street | Unnamed Draw | Gillette | Concrete Culvert (2 spans) | -- | 2009 | -- | 9.8 | 22.6 | Good | 83.7 | MBE |
| NBI report | US 14/16 | Coal Haul Road | 5 Mi N Of Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2009 | -- | 165.0 | 368.1 | Poor | 85.4 | MFH |
| NBI report | US 14/16 | Little Rawhide Creek | 4 Mi N Of Gillette | Concrete Culvert (4 spans) | -- | 2009 | -- | 9.8 | 44.0 | Good | 65.0 | MFI |
| NBI report | US 14/16 | Little Rawhide Creek | 6 Mi N Of Gillette | Concrete Culvert (4 spans) | -- | 2009 | -- | 9.8 | 44.0 | Good | 65.0 | MFJ |
| NBI report | County Road 1 | Donkey Creek | 15 Mi E Of Gillette | Concrete Culvert (3 spans) | -- | 2010 | -- | 14.1 | 43.3 | Fair | 87.5 | MJR |
| NBI report | County Road 94 | Donkey Creek | 13 Miles E Of Gillette | Concrete Culvert (3 spans) | -- | 2010 | -- | 12.1 | 38.7 | Good | 99.0 | MJS |
| NBI report | Oakcrest Drive | I-90 | Gillette | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2010 | -- | 190.0 | 279.9 | Good | 100.0 | MCO |
| NBI report | WYO 59 | Tisdale Creek | Douglas - Gillette | Concrete Culvert (2 spans) | -- | 2011 | -- | 12.1 | 24.0 | Good | 69.9 | MFU |
| NBI report | WYO 59 | Horse Creek | Gillette - Montan Line | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2015 | -- | 67.6 | 165.0 | Good | 92.0 | MPS |
| NBI report | WYO 59 | White Tail Creek | Gillette - Montana Line | Steel Stringer/Multi-beam or girder | -- | 2015 | -- | 77.4 | 80.1 | Fair | 92.0 | MPT |