Dawson RD over Muddy Creek Overflow
GoodPosted for loadBenton County, Oregon · 1.2 MI West of HWY 99 W · Structure no. 14137A452 00123
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 723
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Dawson RD over Muddy Creek Overflow is a concrete continuous slab carrying Dawson RD over Muddy Creek Overflow 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.
It carries about 723 vehicles a day, roughly 20% of them trucks, projected to reach 984 by 2041. The structure is 103 ft (31.4 m) long and 30 ft wide. If it were closed, the detour would be 4.3 mi (7 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 | 7 Good | Some minor problems. |
| 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 Overflow built?
It was built in 1960, making it 65 years old in 2025.
What condition is Dawson RD over Muddy Creek Overflow 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 Dawson RD over Muddy Creek Overflow carry?
About 723 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is Dawson RD over Muddy Creek Overflow?
The structure is 103 ft (31.4 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.
Who owns Dawson RD over Muddy Creek Overflow?
It is owned by the County Highway Agency.