Bridge conditions in Crook County, Wyoming
176 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Crook County tracks close to typical: 4 of its 176 inventoried bridges (2.3%) are rated poor, against a national rate of about 7%.
- 4 of the 176 bridges in Crook County, Wyoming, are rated in poor condition (2.3%) in the 2025 National Bridge Inventory, as of .
- 52 bridges (29.5%) are rated good and 120 (68.2%) fair.
- The median Crook County bridge was built in 1969.
- The busiest poor-rated bridge is I-90 Wbl over US 14 (built 1966), carrying about 1,938 vehicles a day.
Good 29.5% · Fair 68.2% · Poor 2.3% of 176 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-90 Wbl over US 14 | 1966 | 1,938 | Poor |
| Cr Cnty Rd 129 over I-90 | 1977 | 133 | Poor |
| Cr Cnty Rd 93 over Inyan Kara Creek | 1955 | 41 | Poor |
| Cr Cnty Rd 112 over Donkey Creek | 1980 | 24 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 14 over S Fork Sundance Creek | 1954 | 3,482 | Fair |
| I-90 Wbl over Well Creek | 1969 | 3,214 | Fair |
| I-90 Wbl over Machinery Pass | 1969 | 3,214 | Fair |
| I-90 Ebl over Wyo 585 | 1972 | 2,981 | Good |
| I-90 Ebl over Machinery Pass | 1972 | 2,981 | Fair |
| I-90 Ebl over I-90 Bus. / US 14 | 1972 | 2,981 | Good |
| I-90 Ebl over Machinery Pass | 1976 | 2,953 | Good |
| I-90 Ebl over Cr CR 207 (Moskee Road) | 1976 | 2,953 | Good |
| I-90 Ebl over Cr CR 108 (Rifle Pit Rd) | 1977 | 2,953 | Good |
| I-90 Ebl over Machinery Pass | 1977 | 2,953 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Wyoming: Wyoming bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.