Dawson RD over Muddy Creek
FairBenton County, Oregon · 1.5 MI West of HWY 99W · Structure no. 14138A452 00151
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 223 ft
- 6 main spans
- Daily traffic
- 535
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Dawson RD over Muddy Creek is a concrete continuous slab carrying Dawson RD over Muddy Creek in Benton County, Oregon. It was built in 1960, so it is 65 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 535 vehicles a day, roughly 11% of them trucks, projected to reach 765 by 2040. The structure is 223 ft (68 m) long and 29 ft wide. If it were closed, the detour would be 4.3 mi (7 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Dawson RD over Muddy Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is Dawson RD over Muddy 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 July 2024.
How much traffic does Dawson RD over Muddy Creek carry?
About 535 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is Dawson RD over Muddy Creek?
The structure is 223 ft (68 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.
Who owns Dawson RD over Muddy Creek?
It is owned by the County Highway Agency.