I-5 over Pilchuck Creek
GoodSnohomish County, Washington · 2.0 N JCT SR 530 · Structure no. 0004736B0000000
- Built
- 1954
- 71 years old, rebuilt 1972
- Condition
- Good
- inspected June 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 213 ft
- 3 main spans
- Daily traffic
- 41,822
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over Pilchuck Creek is a concrete continuous tee beam carrying I-5 over Pilchuck Creek in Snohomish County, Washington. It was built in 1954 and reconstructed in 1972, so it is 71 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 41,822 vehicles a day, roughly 8% of them trucks, projected to reach 60,915 by 2039. The structure is 213 ft (64.9 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-5 over Pilchuck Creek built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1972.
What condition is I-5 over Pilchuck 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 June 2023.
How much traffic does I-5 over Pilchuck Creek carry?
About 41,822 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is I-5 over Pilchuck Creek?
The structure is 213 ft (64.9 m) long with a longest span of 90 ft (27.4 m) and a deck 56 ft wide.
Who owns I-5 over Pilchuck Creek?
It is owned by the State Highway Agency.