Stimson RD over I-5
GoodSnohomish County, Washington · 4.6 N JCT SR 528 · Structure no. 0008632A0000000
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 214 ft
- 2 main spans
- Daily traffic
- 11,032
- 2008 count
- Owner
- State
- State Highway Agency
About this bridge
Stimson RD over I-5 is a prestressed concrete continuous stringer/multi-beam or girder carrying Stimson RD over I-5 in Snohomish County, Washington. It was built in 1970, so it is 55 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 11,032 vehicles a day, roughly 5% of them trucks, projected to reach 18,446 by 2036. The structure is 214 ft (65.2 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stimson RD over I-5 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Stimson RD over I-5 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 2024.
How much traffic does Stimson RD over I-5 carry?
About 11,032 vehicles per day (2008 count), of which roughly 5% are trucks.
How long is Stimson RD over I-5?
The structure is 214 ft (65.2 m) long with a longest span of 106 ft (32.3 m) and a deck 43 ft wide.
Who owns Stimson RD over I-5?
It is owned by the State Highway Agency.