Culbertson Avenue over Big Horn River
Washakie County, Wyoming · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Culbertson Avenue over Big Horn River in Washakie County, Wyoming, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1934, making it 91 years old at the 2025 inventory.
- It carries about 1,045 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 6 of the 60 inventoried bridges in Washakie County rated poor (10.0%); 6 (10.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (44.01474, -107.97092)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 425 ft |
| Location | Worland |
| NBI structure number | EOJ |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Washakie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 16 over Lower Hanover Canal | 1951 | 9,910 | Fair |
| US 20 over Big Horn River | 1975 | 4,411 | Fair |
| US 16 over Slick Creek | 2012 | 3,298 | Fair |
| Wyo 433 over Big Horn Canal | 2006 | 2,866 | Fair |
| US 20 over Big Horn Canal | 2006 | 2,768 | Good |
| US 20 over Fifteen Mile Creek | 2006 | 2,768 | Fair |
All bridges nearby: Washakie County, WY bridge conditions · every bridge in Washakie County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.