Williams Ave over Cedar River
FairPosted for loadKing County, Washington · 0.7 MI N of S Grady Way · Structure no. 085263000000000
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected September 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 155 ft
- 1 main span
- Daily traffic
- 1,825
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Williams Ave over Cedar River is a steel girder and floorbeam system carrying Williams Ave over Cedar River in King County, Washington. It was built in 1954, so it is 71 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 1,825 vehicles a day, roughly 1% of them trucks, projected to reach 2,200 by 2044. The structure is 155 ft (47.3 m) long and 34 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Williams Ave over Cedar River built?
It was built in 1954, making it 71 years old in 2025.
What condition is Williams Ave over Cedar River 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 September 2024.
How much traffic does Williams Ave over Cedar River carry?
About 1,825 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Williams Ave over Cedar River?
The structure is 155 ft (47.3 m) long with a longest span of 110 ft (33.5 m) and a deck 34 ft wide.
Who owns Williams Ave over Cedar River?
It is owned by the City or Municipal Highway Agency.