Wyo 51 over Unnamed Draw
Campbell County, Wyoming · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Wyo 51 over Unnamed Draw in Campbell County, Wyoming, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1952, making it 73 years old at the 2025 inventory.
- It carries about 1,455 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 34 of the 152 inventoried bridges in Campbell County rated good (22.4%); 4 (2.6%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (44.28523, -105.35886)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 32 ft |
| Location | Gillette-Moorcroft |
| NBI structure number | JAO |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Campbell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Wyo 59 over Donkey Creek | 1975 | 22,352 | Fair |
| Wyo 59 over Antelope Butte Creek | 1975 | 19,425 | Fair |
| Wyo 59 over Homestead Trickle | 2008 | 18,150 | Good |
| Wyo 59 over Burlington Supply Ditch | 1941 | 14,340 | Fair |
| Wyo 59 over Stonepile Creek | 1981 | 14,340 | Fair |
| S Gurley Avenue over BNSF / US 14/16 | 1982 | 10,545 | Fair |
All bridges nearby: Campbell County, WY bridge conditions · every bridge in Campbell County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.