US-400 Hwy over Salt Creek
Wilson County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-400 Hwy over Salt Creek in Wilson 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 1997, making it 28 years old at the 2025 inventory.
- It carries about 3,806 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 70 of the 205 inventoried bridges in Wilson County rated good (34.1%); 25 (12.2%) 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 March 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 → (37.55833, -95.8425)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 122 ft |
| Location | 8.53 Mi SE Greenwood Coln |
| NBI structure number | 999940001030421 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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 Kansas department of transportation.
Busiest bridges in Wilson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-400 Hwy over Clear Creek | 1997 | 4,843 | Good |
| US-400 Hwy over Fall River Drainage | 1996 | 4,843 | Good |
| US-400 Hwy over Silver Creek Tributary | 1997 | 4,720 | Good |
| US-400 Hwy over Silver Creek | 1998 | 4,402 | Good |
| US-400 Hwy over Fall River Drainage | 1996 | 4,340 | Good |
| US-400 Hwy over Fall River | 1997 | 4,340 | Good |
All bridges nearby: Wilson County, KS bridge conditions · every bridge in Wilson County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.