Bridge conditions in Wahkiakum County, Washington
37 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 37 bridges in Wahkiakum County: 20 rated good, 16 fair, and 1 poor.
- 1 of the 37 bridges in Wahkiakum County, Washington, are rated in poor condition (2.7%) in the 2025 National Bridge Inventory, as of .
- 20 bridges (54.1%) are rated good and 16 (43.2%) fair.
- The median Wahkiakum County bridge was built in 1973.
- The busiest poor-rated bridge is SR 4 over Hull Creek (built 1934), carrying about 1,152 vehicles a day.
Good 54.1% · Fair 43.2% · Poor 2.7% of 37 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 4 over Hull Creek | 1934 | 1,152 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 4 over Elochoman River | 1955 | 2,084 | Fair |
| SR 4 over Tide Gate Culvert | 2015 | 2,084 | Good |
| SR 409 over Columbia R Puget Island | 1938 | 1,973 | Fair |
| SR 4 over Skamokawa Creek | 1939 | 1,573 | Fair |
| SR 4 over Deep River | 1990 | 1,509 | Good |
| SR 4 over Rangila Slough | 1990 | 1,509 | Good |
| SR 4 over W Fk Skamokawa CR | 1938 | 1,255 | Fair |
| SR 4 over Hull Creek | 1934 | 1,152 | Poor |
| SR 4 over Grays River | 1938 | 1,152 | Fair |
| SR 4 over Terrain Flood Plain | 1938 | 1,152 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Washington: Washington bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.