SW 15th ST over Marys River
FairBenton County, Oregon · S of HWY 20-34 · Structure no. 5216A 000 00000
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 207 ft
- 5 main spans
- Daily traffic
- 3,800
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
SW 15th ST over Marys River is a concrete continuous tee beam carrying SW 15th ST over Marys River in Benton County, Oregon. It was built in 1953, so it is 72 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 3,800 vehicles a day, roughly 10% of them trucks, projected to reach 4,180 by 2040. The structure is 207 ft (63.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| 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 SW 15th ST over Marys River built?
It was built in 1953, making it 72 years old in 2025.
What condition is SW 15th ST over Marys River 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 July 2024.
How much traffic does SW 15th ST over Marys River carry?
About 3,800 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is SW 15th ST over Marys River?
The structure is 207 ft (63.1 m) long with a longest span of 68 ft (20.7 m) and a deck 40 ft wide.
Who owns SW 15th ST over Marys River?
It is owned by the City or Municipal Highway Agency.