Wyo 430 over Dead Horse Canyon Creek
Sweetwater County, Wyoming · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Wyo 430 over Dead Horse Canyon Creek in Sweetwater 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 1959, making it 66 years old at the 2025 inventory.
- It carries about 1,048 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 48 of the 191 inventoried bridges in Sweetwater County rated good (25.1%); 14 (7.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
- 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 → (41.57615, -109.20162)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 28 ft |
| Location | Rock Springs |
| NBI structure number | CVV |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Sweetwater County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Wyo 376 over UPRR | 1977 | 14,871 | Fair |
| Wyo 376 over Bitter Creek | 1977 | 14,871 | Fair |
| I-80 / US 30 Bus over Bitter Creek | 1991 | 14,286 | Fair |
| I-80 Wbl over I-80 Service Road | 1969 | 13,609 | Fair |
| I-80 Wbl over East Green River Intg | 2002 | 13,609 | Fair |
| I-80 EBL and WBL over Alkali Flat | 1964 | 11,730 | Fair |
All bridges nearby: Sweetwater County, WY bridge conditions · every bridge in Sweetwater County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.