County Road over Mammoth Creek
Garfield County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road over Mammoth Creek in Garfield 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 1992, making it 33 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 68 of the 93 inventoried bridges in Garfield County rated fair (73.1%); 5 (5.4%) are rated poor.
- 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 → (37.62634, -112.63503)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Timber slab |
| Length | about 20 ft |
| Location | 8.5 Mi.so. Panguitch Lake |
| NBI structure number | 017047A |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Garfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR-12 over Red Canyon Wash | 1971 | 3,099 | Fair |
| SR-12 over Butch Cassidy Wash | 1971 | 3,099 | Fair |
| SR-12 over Sevier River | 2003 | 3,099 | Good |
| US-89 (SR-89) over Panguitch Creek | 1978 | 2,622 | Fair |
| US-89 (SR-89) over Sandy Creek | 1931 | 2,536 | Fair |
| SR-12 over East Fork Sevier River | 1961 | 2,460 | Fair |
All bridges nearby: Garfield County, UT bridge conditions · every bridge in Garfield County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.