HWY 131 over Trask River
PoorPosted for loadTillamook County, Oregon · 00.2 Mile W Tillamook · Structure no. 05640A131 00833
- Built
- 1948
- 77 years old
- Condition
- Poor
- inspected April 2024
- Type
- Truss - Thru
- Steel
- Length
- 333 ft
- 1 main span
- Daily traffic
- 5,192
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 131 over Trask River is a steel truss - thru carrying HWY 131 over Trask River in Tillamook County, Oregon. It was built in 1948, so it is 77 years old, older than the Oregon average of 49.9 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. Its operating status is: posted for load restriction.
It carries about 5,192 vehicles a day, roughly 10% of them trucks, projected to reach 5,500 by 2042. The structure is 333 ft (101.6 m) long and 35 ft wide. If it were closed, the detour would be 21.7 mi (35 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 131 over Trask River built?
It was built in 1948, making it 77 years old in 2025.
What condition is HWY 131 over Trask 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 April 2024.
How much traffic does HWY 131 over Trask River carry?
About 5,192 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is HWY 131 over Trask River?
The structure is 333 ft (101.6 m) long with a longest span of 100 ft (30.6 m) and a deck 35 ft wide.
Who owns HWY 131 over Trask River?
It is owned by the State Highway Agency.