6000 West St.co.rd over Malad River
Box Elder County, Utah · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 6000 West St.co.rd over Malad River in Box Elder County, Utah, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, 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 69 vehicles a day (traffic count year 2013).
- Its listed owner is the county highway agency.
- It is one of 42 of the 184 inventoried bridges in Box Elder County rated good (22.8%); 11 (6.0%) 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 November 2023, on a 24-month routine inspection cycle.
- 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 → (41.86428, -112.16689)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 73 ft |
| Location | 1.0 Mile SW. of Plymouth |
| NBI structure number | 003080F |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 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 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.