South Skagit HWY over Cumberland Creek
FairSkagit County, Washington · 11.5 E JCT SR 9 · Structure no. 083167000000000
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 635
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
South Skagit HWY over Cumberland Creek is a prestressed concrete stringer/multi-beam or girder carrying South Skagit HWY over Cumberland Creek in Skagit County, Washington. It was built in 1961, so it is 64 years old, older than the Washington average of 49.8 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 635 vehicles a day, roughly 12% of them trucks, projected to reach 944 by 2041. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| 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 South Skagit HWY over Cumberland Creek built?
It was built in 1961, making it 64 years old in 2025.
What condition is South Skagit HWY over Cumberland 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 July 2024.
How much traffic does South Skagit HWY over Cumberland Creek carry?
About 635 vehicles per day (2021 count), of which roughly 12% are trucks.
How long is South Skagit HWY over Cumberland Creek?
The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.5 m) and a deck 26 ft wide.
Who owns South Skagit HWY over Cumberland Creek?
It is owned by the County Highway Agency.