K23 Hwy over South Fork Walnut Creek
Lane County, Kansas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K23 Hwy over South Fork Walnut Creek in Lane County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1936 and reconstructed in 1963, making it 89 years old at the 2025 inventory.
- It carries about 1,529 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 1 of the 25 inventoried bridges in Lane County rated poor (4.0%); 1 (4.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2024, on a 12-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (38.47361, -100.46639)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 162 ft |
| Location | 0.57 Mi. South of K-96 |
| NBI structure number | 999902300510011 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 12 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 Lane County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K23 Hwy over Middle Fork Walnut Creek | 1933 | 1,477 | Good |
| K96 Hwy over Middle Fork Walnut Creek | 1955 | 1,395 | Good |
| K23 Hwy over North Fork Walnut Creek | 1936 | 1,088 | Fair |
| K23 Hwy over Cheyenne Creek Drainage | 1938 | 785 | Fair |
| Dodge Rd (rs 250) over North Fork Walnut Creek | 1959 | 320 | Good |
| Dodge Rd (rs 250) over East Salt Creek | 1965 | 220 | Good |
All bridges nearby: Lane County, KS bridge conditions · every bridge in Lane County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.