Unit 1 Access over Inlet to Unit 1
Box Elder County, Utah · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Unit 1 Access over Inlet to Unit 1 in Box Elder County, Utah, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2013, making it 12 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2022).
- It is one of 42 of the 184 inventoried bridges in Box Elder County rated good (22.8%); 11 (6.0%) are rated poor.
- 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 → (41.49967, -112.29317)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 37 ft |
| Location | L-Line Dike |
| NBI structure number | 000065530-00032 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Box Elder County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-15 (SR-15) SB over 13600 North St. | 1989 | 195,867 | Good |
| I-15 (SR-15) Nbl over Hot Springs Lane and U | 1976 | 67,875 | Fair |
| I-15 (SR-15) Nbl over Nerva Lane (county Road) | 1976 | 67,875 | Fair |
| I-15 (SR-15) Nbl over SR-315 to Willard Bay | 1976 | 67,875 | Fair |
| I-15 (SR-15) Sbl over Hot Springs Ln.& Abd | 1976 | 67,875 | Fair |
| I-15 (SR-15) Sbl over Nerva Lane (county Road) | 1976 | 67,875 | Fair |
All bridges nearby: Box Elder County, UT bridge conditions · every bridge in Box Elder County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.