61st Ave S over I-405
GoodKing County, Washington · 0.3 N JCT I-5 · Structure no. 0006968A0000000
- Built
- 1962
- 63 years old, rebuilt 1968
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 2 main spans
- Daily traffic
- 31,000
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
61st Ave S over I-405 is a prestressed concrete stringer/multi-beam or girder carrying 61st Ave S over I-405 in King County, Washington. It was built in 1962 and reconstructed in 1968, so it is 63 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 31,000 vehicles a day, roughly 3% of them trucks, projected to reach 47,368 by 2036. The structure is 205 ft (62.5 m) long and 66 ft wide.
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 61st Ave S over I-405 built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1968.
What condition is 61st Ave S over I-405 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 2024.
How much traffic does 61st Ave S over I-405 carry?
About 31,000 vehicles per day (2012 count), of which roughly 3% are trucks.
How long is 61st Ave S over I-405?
The structure is 205 ft (62.5 m) long with a longest span of 101 ft (30.8 m) and a deck 66 ft wide.
Who owns 61st Ave S over I-405?
It is owned by the State Highway Agency.