SR 26 over Willow CR Drainage Area
Whitman County, Washington · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 26 over Willow CR Drainage Area in Whitman County, Washington, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 1,655 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 182 of the 349 inventoried bridges in Whitman County rated good (52.1%); 13 (3.7%) are rated poor.
- 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 → (46.80872, -117.82501)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 24 ft |
| Location | 11.5 E Adams Co |
| NBI structure number | 002003090000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Whitman County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 27 over S Fk Palouse River | 1977 | 18,772 | Good |
| SR 27 over Missouri Flat CR | 1955 | 17,702 | Fair |
| Bishop Blvd over Paradise Creek | 1985 | 15,937 | Fair |
| Bishop Blvd over S Fork Palouse River | 1992 | 15,937 | Good |
| Stadium Way over Missouri Flat Creek | 1946 | 14,901 | Fair |
| SR 270 over S Fk Palouse | 1996 | 10,725 | Good |
All bridges nearby: Whitman County, WA bridge conditions · every bridge in Whitman County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.