SR 20 over Sky Creek
GoodSkagit County, Washington · 17.8 E JCT SR 530 · Structure no. 0013442A0000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 1,930
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 20 over Sky Creek is a prestressed concrete tee beam carrying SR 20 over Sky Creek in Skagit County, Washington. It was built in 1989, so it is 36 years old, younger 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 1,930 vehicles a day, roughly 7% of them trucks, projected to reach 2,848 by 2039. The structure is 52 ft (15.8 m) long and 39 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 SR 20 over Sky Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is SR 20 over Sky 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 May 2024.
How much traffic does SR 20 over Sky Creek carry?
About 1,930 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is SR 20 over Sky Creek?
The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.
Who owns SR 20 over Sky Creek?
It is owned by the State Highway Agency.