SR-66 over East Canyon Creek
Morgan County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR-66 over East Canyon Creek in Morgan County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1934, making it 91 years old at the 2025 inventory.
- It carries about 1,373 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 51 of the 55 inventoried bridges in Morgan County rated fair (92.7%); 2 (3.6%) 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 → (40.98172, -111.67836)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 32 ft |
| Location | Within Porterville |
| NBI structure number | 0D 377 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Morgan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (SR-84) Ebl over Weber River and UPRR | 1965 | 19,585 | Fair |
| I-84 (SR-84) Ebl over SR-167 Int. X-road | 1966 | 19,585 | Fair |
| I-84 (SR-84) Wbl over Weber River and UPRR | 1965 | 19,585 | Poor |
| I-84 (SR-84) Wbl over SR-167 Int. X-road | 1966 | 19,585 | Fair |
| I-84 (SR-84) over Dry Creek | 2005 | 16,887 | Fair |
| I-84 (SR-84) Ebl over Cottonwood Creek | 1966 | 16,887 | Fair |
All bridges nearby: Morgan County, UT bridge conditions · every bridge in Morgan County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.