236th ST SW over I-5
GoodSnohomish County, Washington · 0.4 N JCT SR 104 · Structure no. 0007227A0000000
- Built
- 1963
- 62 years old, rebuilt 1983
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 319 ft
- 4 main spans
- Daily traffic
- 9,426
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
236th ST SW over I-5 is a prestressed concrete stringer/multi-beam or girder carrying 236th ST SW over I-5 in Snohomish County, Washington. It was built in 1963 and reconstructed in 1983, so it is 62 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 9,426 vehicles a day, roughly 5% of them trucks, projected to reach 15,147 by 2040. The structure is 319 ft (97.2 m) long and 59 ft wide.
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 236th ST SW over I-5 built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1983.
What condition is 236th ST SW 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 August 2023.
How much traffic does 236th ST SW over I-5 carry?
About 9,426 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 236th ST SW over I-5?
The structure is 319 ft (97.2 m) long with a longest span of 90 ft (27.4 m) and a deck 59 ft wide.
Who owns 236th ST SW over I-5?
It is owned by the State Highway Agency.