I-5 over Sdot Maintenance Yard
GoodKing County, Washington · JCT I-90 · Structure no. 0007565N0000000
- Built
- 1966
- 59 years old, rebuilt 1991
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 459 ft
- 6 main spans
- Daily traffic
- 2,510
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over Sdot Maintenance Yard is a concrete continuous box beam or girders - multiple carrying I-5 over Sdot Maintenance Yard in King County, Washington. It was built in 1966 and reconstructed in 1991, so it is 59 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 2,510 vehicles a day, roughly 5% of them trucks, projected to reach 4,197 by 2036. The structure is 459 ft (139.9 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-5 over Sdot Maintenance Yard built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1991.
What condition is I-5 over Sdot Maintenance Yard 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 April 2023.
How much traffic does I-5 over Sdot Maintenance Yard carry?
About 2,510 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is I-5 over Sdot Maintenance Yard?
The structure is 459 ft (139.9 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.
Who owns I-5 over Sdot Maintenance Yard?
It is owned by the State Highway Agency.