I-405 over NE 132nd ST
FairKing County, Washington · 6.1 N JCT SR 520 · Structure no. 0008615F0000000
- Built
- 1970
- 55 years old, rebuilt 1994
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 69,115
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-405 over NE 132nd ST is a prestressed concrete continuous stringer/multi-beam or girder carrying I-405 over NE 132nd ST in King County, Washington. It was built in 1970 and reconstructed in 1994, so it is 55 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 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 69,115 vehicles a day, roughly 6% of them trucks, projected to reach 101,964 by 2039. The structure is 168 ft (51.2 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 I-405 over NE 132nd ST built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1994.
What condition is I-405 over NE 132nd ST 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 April 2024.
How much traffic does I-405 over NE 132nd ST carry?
About 69,115 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is I-405 over NE 132nd ST?
The structure is 168 ft (51.2 m) long with a longest span of 72 ft (21.9 m) and a deck 85 ft wide.
Who owns I-405 over NE 132nd ST?
It is owned by the State Highway Agency.