Mud Creek Rd over Mud Creek
Walla Walla County, Washington · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mud Creek Rd over Mud Creek in Walla Walla County, Washington, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 82 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 121 of the 195 inventoried bridges in Walla Walla County rated good (62.1%); 18 (9.2%) 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 → (46.14631, -118.1402)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 23 ft |
| Location | 0.214 SE of SR 12 |
| NBI structure number | 089166000000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.
Busiest bridges in Walla Walla County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 125 over Walla Walla River | 1988 | 17,209 | Good |
| SR 125 over Yellowhawk Creek | 1988 | 17,209 | Fair |
| Myra Rd over Mill Creek | 2008 | 13,345 | Fair |
| 2ND Ave over Mill Creek | 1915 | 10,563 | Fair |
| Rose Street over Mill Creek | 2021 | 10,500 | Good |
| Wilbur Ave over Mill Creek | 1955 | 10,053 | Fair |
All bridges nearby: Walla Walla County, WA bridge conditions · every bridge in Walla Walla County · Washington bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.