Marine Drive over Quilceda Creek
FairSnohomish County, Washington · 0.5 NW JCT I-5 · Structure no. 085652000000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 906 ft
- 8 main spans
- Daily traffic
- 16,620
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Marine Drive over Quilceda Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Marine Drive over Quilceda Creek in Snohomish County, Washington. It was built in 1988, so it is 37 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 16,620 vehicles a day, roughly 14% of them trucks, projected to reach 22,000 by 2046. The structure is 906 ft (276.2 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Marine Drive over Quilceda Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Marine Drive over Quilceda Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Marine Drive over Quilceda Creek carry?
About 16,620 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is Marine Drive over Quilceda Creek?
The structure is 906 ft (276.2 m) long with a longest span of 127 ft (38.8 m) and a deck 59 ft wide.
Who owns Marine Drive over Quilceda Creek?
It is owned by the County Highway Agency.