Spokane ST WB Lane over I-5
FairKing County, Washington · 5.5 N JCT SR 900 · Structure no. 0007741R0000000
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 2,885 ft
- 34 main spans
- Daily traffic
- 13,457
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
Spokane ST WB Lane over I-5 is a concrete continuous box beam or girders - multiple carrying Spokane ST WB Lane over I-5 in King County, Washington. It was built in 1967, so it is 58 years old, older 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 5 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 13,457 vehicles a day, roughly 5% of them trucks, projected to reach 21,531 by 2036. The structure is 2,885 ft (879.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Spokane ST WB Lane over I-5 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Spokane ST WB Lane over I-5 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 September 2024.
How much traffic does Spokane ST WB Lane over I-5 carry?
About 13,457 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is Spokane ST WB Lane over I-5?
The structure is 2,885 ft (879.3 m) long with a longest span of 115 ft (35.2 m) and a deck 32 ft wide.
Who owns Spokane ST WB Lane over I-5?
It is owned by the State Highway Agency.