SE Umatilla ST over B-55 over Johnson Creek
FairMultnomah County, Oregon · SE Umatilla ST at SE 25th · Structure no. 25B55 000
- Built
- 1939
- 86 years old, rebuilt 1979
- Condition
- Fair
- inspected August 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 47 ft
- 1 main span
- Daily traffic
- 1,389
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
SE Umatilla ST over B-55 over Johnson Creek is a prestressed concrete channel beam carrying SE Umatilla ST over B-55 over Johnson Creek in Multnomah County, Oregon. It was built in 1939 and reconstructed in 1979, so it is 86 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,389 vehicles a day, roughly 1% of them trucks, projected to reach 1,532 by 2025. The structure is 47 ft (14.3 m) long and 36 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SE Umatilla ST over B-55 over Johnson Creek built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1979.
What condition is SE Umatilla ST over B-55 over Johnson Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does SE Umatilla ST over B-55 over Johnson Creek carry?
About 1,389 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is SE Umatilla ST over B-55 over Johnson Creek?
The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.
Who owns SE Umatilla ST over B-55 over Johnson Creek?
It is owned by the City or Municipal Highway Agency.