SR 26 over Cow Creek
PoorAdams County, Washington · 8.6 E JCT SR 261 · Structure no. 0009837B0000000
- Built
- 1975
- 50 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 333 ft
- 3 main spans
- Daily traffic
- 1,646
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 26 over Cow Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 26 over Cow Creek in Adams County, Washington. It was built in 1975, so it is 50 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,646 vehicles a day, roughly 21% of them trucks, projected to reach 2,046 by 2039. The structure is 333 ft (101.5 m) long and 41 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 SR 26 over Cow Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is SR 26 over Cow Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.
How much traffic does SR 26 over Cow Creek carry?
About 1,646 vehicles per day (2023 count), of which roughly 21% are trucks.
How long is SR 26 over Cow Creek?
The structure is 333 ft (101.5 m) long with a longest span of 110 ft (33.5 m) and a deck 41 ft wide.
Who owns SR 26 over Cow Creek?
It is owned by the State Highway Agency.