Old River RD over Long Tom River
FairBenton County, Oregon · 1.69MI East of HWY99W · Structure no. 14171C450 00169
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 190 ft
- 3 main spans
- Daily traffic
- 312
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Old River RD over Long Tom River is a prestressed concrete stringer/multi-beam or girder carrying Old River RD over Long Tom River in Benton County, Oregon. It was built in 1962, 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 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 312 vehicles a day, roughly 20% of them trucks, projected to reach 478 by 2038. The structure is 190 ft (57.9 m) long and 31 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Old River RD over Long Tom River built?
It was built in 1962, making it 63 years old in 2025.
What condition is Old River RD over Long Tom 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 Old River RD over Long Tom River carry?
About 312 vehicles per day (2018 count), of which roughly 20% are trucks.
How long is Old River RD over Long Tom River?
The structure is 190 ft (57.9 m) long with a longest span of 63 ft (19.2 m) and a deck 31 ft wide.
Who owns Old River RD over Long Tom River?
It is owned by the County Highway Agency.