Alpine RD over Muddy Creek
GoodBenton County, Oregon · 3.2 Miles West of HWY 99W · Structure no. 22758 451 00320
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 1,072
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Alpine RD over Muddy Creek is a prestressed concrete slab carrying Alpine RD over Muddy Creek in Benton County, Oregon. It was built in 2017, so it is 8 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,072 vehicles a day, roughly 10% of them trucks, projected to reach 1,530 by 2040. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 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 Alpine RD over Muddy Creek built?
It was built in 2017, making it 8 years old in 2025.
What condition is Alpine RD over Muddy 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 Alpine RD over Muddy Creek carry?
About 1,072 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Alpine RD over Muddy Creek?
The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 32 ft wide.
Who owns Alpine RD over Muddy Creek?
It is owned by the County Highway Agency.