La Cnty Rd 120-1 over Crow Creek
Laramie County, Wyoming · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- La Cnty Rd 120-1 over Crow Creek in Laramie County, Wyoming, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1955, making it 70 years old at the 2025 inventory.
- It carries about 382 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 28 of the 255 inventoried bridges in Laramie County rated poor (11.0%); 28 (11.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: superstructure 7 to 6.
- Its most recent inspection on record is dated December 2024, on a 12-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (41.15859, -104.87997)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 6 | Satisfactory condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 109 ft |
| Location | 2 Mi West Of Cheyenne |
| NBI structure number | DPO |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Laramie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Dell Range Blvd over Dry Creek | 1982 | 32,764 | Fair |
| Wyo 212 over Henderson Drainage Ditch | 1977 | 28,835 | Good |
| Dell Range Blvd over Dry Creek | 1985 | 27,485 | Good |
| Dell Range Blvd over Dry Creek | 1982 | 22,267 | Fair |
| I-180 NBL and SBL over Crow Creek | 1979 | 21,146 | Fair |
| I-180 NBL and SBL over Deming Drive | 1980 | 21,146 | Fair |
All bridges nearby: Laramie County, WY bridge conditions · every bridge in Laramie County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.