Cedar Ave S over I-405
GoodKing County, Washington · 0.8 N JCT SR 515 · Structure no. 0014052E0000000
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 146 ft
- 2 main spans
- Daily traffic
- 1,550
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Cedar Ave S over I-405 is a concrete continuous box beam or girders - multiple carrying Cedar Ave S over I-405 in King County, Washington. It was built in 1993, so it is 32 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 1,550 vehicles a day, roughly 2% of them trucks, projected to reach 2,501 by 2032. The structure is 146 ft (44.5 m) long and 36 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 Cedar Ave S over I-405 built?
It was built in 1993, making it 32 years old in 2025.
What condition is Cedar 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 Cedar Ave S over I-405 carry?
About 1,550 vehicles per day (2010 count), of which roughly 2% are trucks.
How long is Cedar Ave S over I-405?
The structure is 146 ft (44.5 m) long with a longest span of 76 ft (23.2 m) and a deck 36 ft wide.
Who owns Cedar Ave S over I-405?
It is owned by the State Highway Agency.