Old River RD over Flat Creek
GoodBenton County, Oregon · 0.4 MI North of CR55701 · Structure no. 19843 450 00800
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 439
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Old River RD over Flat Creek is a prestressed concrete slab carrying Old River RD over Flat Creek in Benton County, Oregon. It was built in 2003, so it is 22 years old, younger than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 439 vehicles a day, roughly 20% of them trucks, projected to reach 666 by 2040. The structure is 62 ft (18.9 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old River RD over Flat Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is Old River RD over Flat Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Old River RD over Flat Creek carry?
About 439 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Old River RD over Flat Creek?
The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 36 ft wide.
Who owns Old River RD over Flat Creek?
It is owned by the County Highway Agency.