Pa Cnty Rd L9B over Alkali Creek
Park County, Wyoming · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pa Cnty Rd L9B over Alkali Creek in Park 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 1983, making it 42 years old at the 2025 inventory.
- It carries about 130 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 65 of the 187 inventoried bridges in Park County rated good (34.8%); 7 (3.7%) 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 → (44.75392, -108.97447)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 26 ft |
| Location | 6 Miles NW of Ralston |
| NBI structure number | NGG |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Park County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 14 over Sulphur Creek | 1955 | 18,836 | Fair |
| US 14 over Beck Lake | 1970 | 7,543 | Fair |
| US 14A over Shoshone River | 1957 | 7,206 | Fair |
| US 14A over Sage Creek | 2014 | 7,206 | Good |
| US 14A over Alkali Creek | 2005 | 5,874 | Fair |
| US 14A over Garland Canal | 2005 | 5,874 | Fair |
All bridges nearby: Park County, WY bridge conditions · every bridge in Park County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.