Alpowa Creek RD over Stember Creek
GoodGarfield County, Washington · 0.1 S JCT SR 12 · Structure no. 081965000000000
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 150
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Alpowa Creek RD over Stember Creek is a prestressed concrete stringer/multi-beam or girder carrying Alpowa Creek RD over Stember Creek in Garfield County, Washington. It was built in 1972, so it is 53 years old, older than the Washington average of 49.8 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2040. The structure is 57 ft (17.4 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alpowa Creek RD over Stember Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Alpowa Creek RD over Stember 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 August 2024.
How much traffic does Alpowa Creek RD over Stember Creek carry?
About 150 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Alpowa Creek RD over Stember Creek?
The structure is 57 ft (17.4 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.
Who owns Alpowa Creek RD over Stember Creek?
It is owned by the County Highway Agency.