Wyo 411 over Smiths Fork River
Uinta County, Wyoming · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Wyo 411 over Smiths Fork River in Uinta County, Wyoming, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 763 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 23 of the 132 inventoried bridges in Uinta County rated good (17.4%); 16 (12.1%) 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 July 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 → (41.26183, -110.35336)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 101 ft |
| Location | Milburne Road |
| NBI structure number | KSO |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Uinta County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 Wbl over Yellow Creek Road | 1967 | 8,996 | Poor |
| I-80 Wbl over Wyo 150 | 1986 | 8,996 | Fair |
| I-80 Ebl over Harrison Drive | 1967 | 8,693 | Fair |
| I-80 Ebl over UPRR / Bear River | 1967 | 8,487 | Fair |
| I-80 Ebl over Bear River Drive | 1966 | 8,487 | Fair |
| I-80 Ebl over Yellow Creek Road | 1967 | 8,443 | Fair |
All bridges nearby: Uinta County, WY bridge conditions · every bridge in Uinta County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.