County Road over Twelve Mile Creek
Sanpete County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road over Twelve Mile Creek in Sanpete County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2010).
- Its listed owner is the county highway agency.
- It is one of 39 of the 52 inventoried bridges in Sanpete County rated fair (75.0%); 0 (0.0%) 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 March 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.15683, -111.74828)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 31 ft |
| Location | 3.5 Miles E. of Gunnison |
| NBI structure number | 039001F |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Sanpete County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-89 (SR-89) over Willow Creek | 1969 | 8,121 | Fair |
| US-89 (SR-89) over San Pitch River | 2003 | 7,840 | Fair |
| US-89 (SR-89) over Cottonwood Creek | 1985 | 5,183 | Fair |
| US-89 (SR-89) over Pleasant Creek | 1935 | 4,380 | Fair |
| SR-132 over San Pitch River | 1931 | 3,893 | Fair |
| SR-116 over San Pitch River | 1938 | 3,434 | Fair |
All bridges nearby: Sanpete County, UT bridge conditions · every bridge in Sanpete County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.