Road # 55 over Carter Creek
FairKing County, Washington · 2.5 MI SW I-90/55 JCT · Structure no. 060505000001571
- Built
- 1993
- 32 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 61 ft
- 1 main span
- Daily traffic
- 25
- 1992 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Road # 55 over Carter Creek is a steel stringer/multi-beam or girder carrying Road # 55 over Carter Creek in King County, Washington. It was built in 1993, so it is 32 years old, younger 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 61 ft (18.5 m) long and 18 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road # 55 over Carter Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is Road # 55 over Carter Creek 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 October 2023.
How much traffic does Road # 55 over Carter Creek carry?
About 25 vehicles per day (1992 count).
How long is Road # 55 over Carter Creek?
The structure is 61 ft (18.5 m) long with a longest span of 58 ft (17.8 m) and a deck 18 ft wide.
Who owns Road # 55 over Carter Creek?
It is owned by the U.S. Forest Service.