HWY 131 over Tillamook River
PoorTillamook County, Oregon · 012 W Tillamook · Structure no. 01345C131 00749
- Built
- 1962
- 63 years old, rebuilt 1987
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 650 ft
- 1 main span
- Daily traffic
- 4,701
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 131 over Tillamook River is a steel stringer/multi-beam or girder carrying HWY 131 over Tillamook River in Tillamook County, Oregon. It was built in 1962 and reconstructed in 1987, so it is 63 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.
It carries about 4,701 vehicles a day, roughly 10% of them trucks, projected to reach 5,000 by 2042. The structure is 650 ft (198.1 m) long and 31 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 131 over Tillamook River built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1987.
What condition is HWY 131 over Tillamook 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 Tillamook River carry?
About 4,701 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is HWY 131 over Tillamook River?
The structure is 650 ft (198.1 m) long with a longest span of 106 ft (32.2 m) and a deck 31 ft wide.
Who owns HWY 131 over Tillamook River?
It is owned by the State Highway Agency.