Robison RD over Soap Creek
PoorBenton County, Oregon · 0170 MI W of HWY 99-W · Structure no. 03C06 000
- Built
- 1977
- 48 years old
- Condition
- Poor
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 140
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Robison RD over Soap Creek is a prestressed concrete slab carrying Robison RD over Soap Creek in Benton County, Oregon. It was built in 1977, so it is 48 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.
It carries about 140 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2040. The structure is 27 ft (8.2 m) long and 24 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 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Robison RD over Soap Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is Robison RD over Soap Creek 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 Robison RD over Soap Creek carry?
About 140 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Robison RD over Soap Creek?
The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.
Who owns Robison RD over Soap Creek?
It is owned by the County Highway Agency.