SR 20 over Jackman Creek
GoodSkagit County, Washington · 25.2 E JCT SR 9 · Structure no. 0003022A0000000
- Built
- 1945
- 80 years old
- Condition
- Good
- inspected March 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 203 ft
- 4 main spans
- Daily traffic
- 2,998
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 20 over Jackman Creek is a concrete continuous tee beam carrying SR 20 over Jackman Creek in Skagit County, Washington. It was built in 1945, so it is 80 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 2,998 vehicles a day, roughly 10% of them trucks, projected to reach 4,330 by 2040. The structure is 203 ft (61.9 m) long and 34 ft wide. If it were closed, the detour would be 39.1 mi (63 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 20 over Jackman Creek built?
It was built in 1945, making it 80 years old in 2025.
What condition is SR 20 over Jackman 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 March 2023.
How much traffic does SR 20 over Jackman Creek carry?
About 2,998 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is SR 20 over Jackman Creek?
The structure is 203 ft (61.9 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.
Who owns SR 20 over Jackman Creek?
It is owned by the State Highway Agency.