Muddy Valley Road over Muddy Creek
FairYamhill County, Oregon · 320 MI N Bellevue · Structure no. 11727 000
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 210
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Muddy Valley Road over Muddy Creek is a prestressed concrete slab carrying Muddy Valley Road over Muddy Creek in Yamhill County, Oregon. It was built in 1970, so it is 55 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 210 vehicles a day, roughly 10% of them trucks, projected to reach 234 by 2025. The structure is 27 ft (8.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| 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 Muddy Valley Road over Muddy Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Muddy Valley Road 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 October 2024.
How much traffic does Muddy Valley Road over Muddy Creek carry?
About 210 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Muddy Valley Road over Muddy Creek?
The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.
Who owns Muddy Valley Road over Muddy Creek?
It is owned by the County Highway Agency.