I-35 Hwy SB (kta) over W. Br. Walnut River Drg.
Butler County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-35 Hwy SB (kta) over W. Br. Walnut River Drg. in Butler 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 1956 and reconstructed in 1985, making it 69 years old at the 2025 inventory.
- It carries about 9,311 vehicles a day (traffic count year 2023).
- It is one of 352 of the 591 inventoried bridges in Butler County rated good (59.6%); 38 (6.4%) 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 July 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 → (37.86056, -96.85944)
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 steel stringer or multi-beam girder |
| Length | about 175 ft |
| Location | 3.94 Mi NE K-254 |
| NBI structure number | 999903500080983 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Butler County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US77 Hwy over W Br Walnut Riv/ped Pass | 1935 | 13,087 | Good |
| 54/400 Hwy Eb/wb over Republican Creek | 1955 | 10,250 | Good |
| W Central Ave over Lakeside Drainage | 1998 | 9,925 | Good |
| US54/US400 Hwy WB over Dry Creek | 1955 | 9,799 | Good |
| US54/US400 Hwy EB over Dry Creek | 1960 | 9,799 | Good |
| US54/US400 Hwy WB over Whitewater River | 1955 | 9,799 | Fair |
All bridges nearby: Butler County, KS bridge conditions · every bridge in Butler County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.