NE 124th ST over Sammamish River
GoodKing County, Washington · 0.5 MI W of SR-202 · Structure no. 087189000000000
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 128 ft
- 1 main span
- Daily traffic
- 25,500
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
NE 124th ST over Sammamish River is a prestressed concrete stringer/multi-beam or girder carrying NE 124th ST over Sammamish River in King County, Washington. It was built in 2004, so it is 21 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 25,500 vehicles a day, roughly 5% of them trucks, projected to reach 40,000 by 2040. The structure is 128 ft (39 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 124th ST over Sammamish River built?
It was built in 2004, making it 21 years old in 2025.
What condition is NE 124th ST over Sammamish River 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 March 2023.
How much traffic does NE 124th ST over Sammamish River carry?
About 25,500 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is NE 124th ST over Sammamish River?
The structure is 128 ft (39 m) long with a longest span of 121 ft (37 m) and a deck 64 ft wide.
Who owns NE 124th ST over Sammamish River?
It is owned by the County Highway Agency.