East Mercer Way over I-90
GoodKing County, Washington · 5.7 E JCT I-5 · Structure no. 0013221A0000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 238 ft
- 3 main spans
- Daily traffic
- 8,510
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
East Mercer Way over I-90 is a prestressed concrete box beam or girders - single or spread carrying East Mercer Way over I-90 in King County, Washington. It was built in 1988, so it is 37 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 8,510 vehicles a day, roughly 2% of them trucks. The structure is 238 ft (72.5 m) long and 121 ft wide.
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 East Mercer Way over I-90 built?
It was built in 1988, making it 37 years old in 2025.
What condition is East Mercer Way over I-90 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 2024.
How much traffic does East Mercer Way over I-90 carry?
About 8,510 vehicles per day (2007 count), of which roughly 2% are trucks.
How long is East Mercer Way over I-90?
The structure is 238 ft (72.5 m) long with a longest span of 95 ft (29 m) and a deck 121 ft wide.
Who owns East Mercer Way over I-90?
It is owned by the State Highway Agency.