NE 128th ST over SB I-405
GoodKing County, Washington · 5.7 N JCT SR 520 · Structure no. 0016932A0000000
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 124 ft
- 1 main span
- Daily traffic
- 1,200
- 2003 count
- Owner
- State
- State Highway Agency
About this bridge
NE 128th ST over SB I-405 is a steel stringer/multi-beam or girder carrying NE 128th ST over SB I-405 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 1,200 vehicles a day, roughly 5% of them trucks. The structure is 124 ft (37.8 m) long and 112 ft wide. If it were closed, the detour would be 1.9 mi (3 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 NE 128th ST over SB I-405 built?
It was built in 2006, making it 19 years old in 2025.
What condition is NE 128th ST over SB 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 January 2024.
How much traffic does NE 128th ST over SB I-405 carry?
About 1,200 vehicles per day (2003 count), of which roughly 5% are trucks.
How long is NE 128th ST over SB I-405?
The structure is 124 ft (37.8 m) long with a longest span of 124 ft (37.8 m) and a deck 112 ft wide.
Who owns NE 128th ST over SB I-405?
It is owned by the State Highway Agency.