E Lake Sammamish over N Fork Issaquah Creek
GoodKing County, Washington · 1.3 E JCT SR 900 · Structure no. 0019040B0000000
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 35,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
E Lake Sammamish over N Fork Issaquah Creek is a concrete culvert carrying E Lake Sammamish over N Fork Issaquah Creek in King County, Washington. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 35,000 vehicles a day, roughly 7% of them trucks, projected to reach 60,255 by 2037. The structure is 24 ft (7.3 m) long and 93 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E Lake Sammamish over N Fork Issaquah Creek built?
It was built in 2017, making it 8 years old in 2025.
What condition is E Lake Sammamish over N Fork Issaquah Creek 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 August 2023.
How much traffic does E Lake Sammamish over N Fork Issaquah Creek carry?
About 35,000 vehicles per day (2015 count), of which roughly 7% are trucks.
How long is E Lake Sammamish over N Fork Issaquah Creek?
The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 93 ft wide.
Who owns E Lake Sammamish over N Fork Issaquah Creek?
It is owned by the State Highway Agency.