I-405 over NE 116th ST
GoodKing County, Washington · 5.0 N JCT SR 520 · Structure no. 0017042B0000000
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 132 ft
- 1 main span
- Daily traffic
- 85,426
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-405 over NE 116th ST is a prestressed concrete stringer/multi-beam or girder carrying I-405 over NE 116th ST in King County, Washington. It was built in 2006, so it is 19 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 85,426 vehicles a day, roughly 6% of them trucks, projected to reach 129,261 by 2039. The structure is 132 ft (40.2 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 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-405 over NE 116th ST built?
It was built in 2006, making it 19 years old in 2025.
What condition is I-405 over NE 116th ST 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 July 2023.
How much traffic does I-405 over NE 116th ST carry?
About 85,426 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is I-405 over NE 116th ST?
The structure is 132 ft (40.2 m) long with a longest span of 127 ft (38.7 m) and a deck 99 ft wide.
Who owns I-405 over NE 116th ST?
It is owned by the State Highway Agency.