Island Road over Salmon River
PoorPosted for loadClackamas County, Oregon · Unknown · Structure no. 20466 000 00000
- Built
- 2000
- 25 years old
- Condition
- Poor
- inspected July 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 52 ft
- 1 main span
- Daily traffic
- 97
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Island Road over Salmon River is a steel girder and floorbeam system carrying Island Road over Salmon River in Clackamas County, Oregon. It was built in 2000, so it is 25 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 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 other load-capacity restriction.
It carries about 97 vehicles a day, roughly 10% of them trucks, projected to reach 107 by 2025. The structure is 52 ft (15.7 m) long and 12 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Island Road over Salmon River built?
It was built in 2000, making it 25 years old in 2025.
What condition is Island Road over Salmon 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 July 2024.
How much traffic does Island Road over Salmon River carry?
About 97 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Island Road over Salmon River?
The structure is 52 ft (15.7 m) long with a longest span of 51 ft (15.4 m) and a deck 12 ft wide.
Who owns Island Road over Salmon River?
It is owned by the County Highway Agency.