I-70 (SR-70) over Vermillion Canal
Sevier County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-70 (SR-70) over Vermillion Canal in Sevier County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, 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 7,166 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 133 of the 157 inventoried bridges in Sevier County rated fair (84.7%); 1 (0.6%) 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 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 → (38.87586, -111.95987)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 21 ft |
| Location | Adjacent to SR-24 |
| NBI structure number | 0E2181 |
| Condition class | Fair |
| 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 Utah department of transportation.
Busiest bridges in Sevier County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR-120 over Richfield Canal | 1956 | 18,004 | Fair |
| SR-120 over State Canal | 1978 | 10,675 | Fair |
| I-70 (SR-70) over So.branch So.cedar Wash | 1988 | 10,111 | Fair |
| I-70 (SR-70) over South Cedar Wash | 1988 | 10,111 | Fair |
| I-70 (SR-70) over State Canal | 1988 | 10,111 | Fair |
| I-70 (SR-70) over North Cedar Wash | 1988 | 10,111 | Fair |
All bridges nearby: Sevier County, UT bridge conditions · every bridge in Sevier County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.