SR 99 over Dexter Way N
FairKing County, Washington · 7.4 N JCT SR 509 · Structure no. 000000IC0000000
- Built
- 1930
- 95 years old
- Condition
- Fair
- inspected March 2024
- Type
- Tee Beam
- Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 28,629
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 99 over Dexter Way N is a concrete tee beam carrying SR 99 over Dexter Way N in King County, Washington. It was built in 1930, so it is 95 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 28,629 vehicles a day, roughly 4% of them trucks, projected to reach 42,459 by 2039. The structure is 35 ft (10.7 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 99 over Dexter Way N built?
It was built in 1930, making it 95 years old in 2025.
What condition is SR 99 over Dexter Way N in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does SR 99 over Dexter Way N carry?
About 28,629 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is SR 99 over Dexter Way N?
The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 106 ft wide.
Who owns SR 99 over Dexter Way N?
It is owned by the State Highway Agency.