Rs 170 over Big Walnut Creek
Crawford County, Kansas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rs 170 over Big Walnut Creek in Crawford County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2013).
- Its listed owner is the county highway agency.
- It is one of 27 of the 295 inventoried bridges in Crawford County rated poor (9.2%); 27 (9.2%) 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 April 2024, on a 24-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 → (37.56293, -95.0703)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 212 ft |
| Location | 2.1S of Walnut |
| NBI structure number | 000000000190150 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | April 2024 |
| 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 Crawford County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US69/US169 Hwy over Cow Creek | 1992 | 14,286 | Good |
| US69/US169 Hwy over Cow Creek | 1993 | 9,347 | Good |
| K-126 over KCS Railway | 2022 | 7,622 | Good |
| K126 Hwy over Middle Cow Creek | 1931 | 6,653 | Fair |
| K126 Hwy over Middle Cow Creek | 2021 | 6,653 | Good |
| US69 over First Cow Creek Drainage | 1952 | 6,144 | Good |
All bridges nearby: Crawford County, KS bridge conditions · every bridge in Crawford County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.