400 North over US-89
Davis County, Utah · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 400 North over US-89 in Davis 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 2021, making it 4 years old at the 2025 inventory.
- It carries about 6,663 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 46 of the 147 inventoried bridges in Davis County rated good (31.3%); 1 (0.7%) 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 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 → (41.04262, -111.90994)
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 143 ft |
| Location | US-89 under 200 N |
| NBI structure number | 0F 904 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Davis County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-15 (SR-15) over 1100 West St. (main St.) | 1997 | 164,022 | Fair |
| I-15 (SR-15) over Center St. (cudahy Ln.) | 1997 | 164,022 | Good |
| I-15 (SR-15) Nbl over SR-93 2600 SOUTH in NSL | 2015 | 164,022 | Good |
| I-15 (SR-15) Sbl over SR-93 2600 SOUTH in NSL | 2015 | 164,022 | Good |
| I-15 (SR-15) Nbl over SR-68 500 South Street | 2015 | 157,594 | Good |
| I-15 (SR-15) Sbl over 500 South Street | 2015 | 157,594 | Good |
All bridges nearby: Davis County, UT bridge conditions · every bridge in Davis County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.