US-400 Hwy over Arkansas River
Ford County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-400 Hwy over Arkansas River in Ford 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 1980 and reconstructed in 2021, making it 45 years old at the 2025 inventory.
- It carries about 3,622 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 112 of the 223 inventoried bridges in Ford County rated good (50.2%); 0 (0.0%) 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 May 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (37.65583, -99.7525)
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 prestressed concrete stringer or multi-beam girder |
| Length | about 801 ft |
| Location | 14.24 Mi SE 56/ 400 Sjct |
| NBI structure number | 999940000290571 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Ford County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 2nd. AVENUE over Arkansas River | 1935 | 14,615 | Fair |
| Wyatt Earp Blvd over Arkansas River Drainage | 1956 | 12,965 | Good |
| US-56/US283 over BNSF R.R. | 1985 | 11,688 | Good |
| Wyatt Earp Blvd over Arkansas River Drainage | 1951 | 11,265 | Good |
| Wyatt Earp Blvd over Arkansas River Drainage | 1985 | 11,265 | Fair |
| S. 14th Ave. over Park St. Drainage Canal | 1957 | 9,585 | Fair |
All bridges nearby: Ford County, KS bridge conditions · every bridge in Ford County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.