SR 900 over Wetlands
GoodKing County, Washington · 8.4 E JCT I-405 · Structure no. 086743000000000
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected June 2022
- Type
- Slab
- Concrete
- Length
- 50 ft
- 5 main spans
- Daily traffic
- 11,002
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 900 over Wetlands is a concrete slab carrying SR 900 over Wetlands in King County, Washington. It was built in 2002, so it is 23 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 11,002 vehicles a day, roughly 4% of them trucks, projected to reach 33,791 by 2039. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 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 SR 900 over Wetlands built?
It was built in 2002, making it 23 years old in 2025.
What condition is SR 900 over Wetlands 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 June 2022.
How much traffic does SR 900 over Wetlands carry?
About 11,002 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is SR 900 over Wetlands?
The structure is 50 ft (15.2 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.
Who owns SR 900 over Wetlands?
It is owned by the State Highway Agency.