Big Trout Road over Three Rivers
PoorClosed to trafficTillamook County, Oregon · 030MI SE of Hebo · Structure no. 57C82A309400028
- Built
- 1994
- 31 years old
- Condition
- Poor
- inspected June 2024
- Type
- Box Beam or Girders - Single or Spread
- Steel Continuous
- Length
- 89 ft
- 1 main span
- Daily traffic
- 15
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Big Trout Road over Three Rivers is a steel continuous box beam or girders - single or spread carrying Big Trout Road over Three Rivers in Tillamook County, Oregon. It was built in 1994, so it is 31 years old, younger 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 0 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: closed to all traffic.
It carries about 15 vehicles a day, projected to reach 18 by 2025. The structure is 89 ft (27.1 m) long and 9 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 0 Failed | Out of service and beyond corrective action. |
| Channel and channel protection | 0 Failed | Out of service and beyond corrective action. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Big Trout Road over Three Rivers built?
It was built in 1994, making it 31 years old in 2025.
What condition is Big Trout Road over Three Rivers 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 June 2024.
How much traffic does Big Trout Road over Three Rivers carry?
About 15 vehicles per day (2020 count).
How long is Big Trout Road over Three Rivers?
The structure is 89 ft (27.1 m) long with a longest span of 81 ft (24.7 m) and a deck 9 ft wide.
Who owns Big Trout Road over Three Rivers?
It is owned by the County Highway Agency.