US 12 over Wishkah River
PoorGrays Harbor County, Washington · 0.2 W JCT US 12 · Structure no. 0002311A0000000
- Built
- 1925
- 100 years old, rebuilt 2003
- Condition
- Poor
- inspected March 2023
- Type
- Movable - Bascule
- Steel
- Length
- 363 ft
- 1 main span
- Daily traffic
- 16,009
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Wishkah River is a steel movable - bascule carrying US 12 over Wishkah River in Grays Harbor County, Washington. It was built in 1925 and reconstructed in 2003, so it is 100 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 16,009 vehicles a day, roughly 6% of them trucks, projected to reach 17,740 by 2039. The structure is 363 ft (110.6 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12 over Wishkah River built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2003.
What condition is US 12 over Wishkah River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.
How much traffic does US 12 over Wishkah River carry?
About 16,009 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is US 12 over Wishkah River?
The structure is 363 ft (110.6 m) long with a longest span of 145 ft (44.2 m) and a deck 29 ft wide.
Who owns US 12 over Wishkah River?
It is owned by the State Highway Agency.