SR 528 over Allen Creek
GoodSnohomish County, Washington · 0.6 E JCT SR 529 · Structure no. 0013188A0000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected July 2021
- Type
- Slab
- Prestressed Concrete
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 21,729
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 528 over Allen Creek is a prestressed concrete slab carrying SR 528 over Allen 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 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 21,729 vehicles a day, roughly 4% of them trucks, projected to reach 32,348 by 2039. The structure is 100 ft (30.5 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 528 over Allen Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is SR 528 over Allen 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 July 2021.
How much traffic does SR 528 over Allen Creek carry?
About 21,729 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is SR 528 over Allen Creek?
The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 60 ft wide.
Who owns SR 528 over Allen Creek?
It is owned by the State Highway Agency.