SE May Valley RD over Fifteen Mile Creek
PoorKing County, Washington · 0.2 MI W of Iss-Hobart RD · Structure no. 081941000000000
- Built
- 1932
- 93 years old, rebuilt 1973
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 40 ft
- 3 main spans
- Daily traffic
- 4,279
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
SE May Valley RD over Fifteen Mile Creek is a wood or timber stringer/multi-beam or girder carrying SE May Valley RD over Fifteen Mile Creek in King County, Washington. It was built in 1932 and reconstructed in 1973, so it is 93 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 4,279 vehicles a day, roughly 15% of them trucks, projected to reach 7,730 by 2040. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 13 mi (21 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SE May Valley RD over Fifteen Mile Creek built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1973.
What condition is SE May Valley RD over Fifteen Mile Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does SE May Valley RD over Fifteen Mile Creek carry?
About 4,279 vehicles per day (2020 count), of which roughly 15% are trucks.
How long is SE May Valley RD over Fifteen Mile Creek?
The structure is 40 ft (12.2 m) long with a longest span of 17 ft (5.2 m) and a deck 35 ft wide.
Who owns SE May Valley RD over Fifteen Mile Creek?
It is owned by the County Highway Agency.