Oakesdale Ave SW over Black River Drain
FairKing County, Washington · 1.1 MI N of I-405 · Structure no. 085706000000000
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 194 ft
- 1 main span
- Daily traffic
- 9,500
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Oakesdale Ave SW over Black River Drain is a prestressed concrete continuous stringer/multi-beam or girder carrying Oakesdale Ave SW over Black River Drain in King County, Washington. It was built in 1987, so it is 38 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 9,500 vehicles a day, roughly 11% of them trucks, projected to reach 13,000 by 2041. The structure is 194 ft (59.1 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oakesdale Ave SW over Black River Drain built?
It was built in 1987, making it 38 years old in 2025.
What condition is Oakesdale Ave SW over Black River Drain 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 June 2023.
How much traffic does Oakesdale Ave SW over Black River Drain carry?
About 9,500 vehicles per day (2019 count), of which roughly 11% are trucks.
How long is Oakesdale Ave SW over Black River Drain?
The structure is 194 ft (59.1 m) long with a longest span of 72 ft (21.9 m) and a deck 57 ft wide.
Who owns Oakesdale Ave SW over Black River Drain?
It is owned by the City or Municipal Highway Agency.