US54/US400 Hwy WB over Smoots Creek
Kingman County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US54/US400 Hwy WB over Smoots Creek in Kingman County, Kansas, 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 1974, making it 51 years old at the 2025 inventory.
- It carries about 3,432 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 188 of the 391 inventoried bridges in Kingman County rated good (48.1%); 24 (6.1%) 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 August 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 → (37.66889, -97.94306)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 479 ft |
| Location | 9.73 Mi E Ejct US54/K14 |
| NBI structure number | 999905400480621 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Kingman County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US54/US400 Hwy over S F Ninnescah Riv Drg | 1929 | 10,568 | Good |
| US54/US400 Hwy over S F Ninnescah Riv Drg | 1929 | 7,120 | Good |
| US54/US400 Hwy over S F Ninnescah Riv Drg | 1929 | 7,120 | Good |
| US54/US400 Hwy over S F Ninnescah Riv Drg | 1932 | 6,240 | Fair |
| US54/US400 Hwy over S F Ninnescah Riv Drg | 1924 | 6,240 | Good |
| US54/US400 Hwy over S F Ninnescah Riv Drg | 1932 | 5,439 | Good |
All bridges nearby: Kingman County, KS bridge conditions · every bridge in Kingman County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.