Redmond Way over Sammamish R
FairKing County, Washington · 2.5 MI E JCT I-405 · Structure no. 000000OW0000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 197 ft
- 3 main spans
- Daily traffic
- 27,000
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Redmond Way over Sammamish R is a concrete continuous box beam or girders - single or spread carrying Redmond Way over Sammamish R in King County, Washington. It was built in 1972, so it is 53 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 27,000 vehicles a day, roughly 2% of them trucks, projected to reach 35,100 by 2043. The structure is 197 ft (60 m) long and 65 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Redmond Way over Sammamish R built?
It was built in 1972, making it 53 years old in 2025.
What condition is Redmond Way over Sammamish R 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 May 2023.
How much traffic does Redmond Way over Sammamish R carry?
About 27,000 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is Redmond Way over Sammamish R?
The structure is 197 ft (60 m) long with a longest span of 80 ft (24.4 m) and a deck 65 ft wide.
Who owns Redmond Way over Sammamish R?
It is owned by the City or Municipal Highway Agency.