Issq-Hobart RD SE over Fifteen Mile Creek
FairKing County, Washington · 0.3 MI S of SE May Vly RD · Structure no. 081947000000000
- Built
- 1949
- 76 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete Continuous
- Length
- 64 ft
- 3 main spans
- Daily traffic
- 21,368
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Issq-Hobart RD SE over Fifteen Mile Creek is a concrete continuous stringer/multi-beam or girder carrying Issq-Hobart RD SE over Fifteen Mile Creek in King County, Washington. It was built in 1949, so it is 76 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.
It carries about 21,368 vehicles a day, roughly 3% of them trucks, projected to reach 26,000 by 2039. The structure is 64 ft (19.5 m) long and 25 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Issq-Hobart RD SE over Fifteen Mile Creek built?
It was built in 1949, making it 76 years old in 2025.
What condition is Issq-Hobart RD SE over Fifteen Mile 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 September 2024.
How much traffic does Issq-Hobart RD SE over Fifteen Mile Creek carry?
About 21,368 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Issq-Hobart RD SE over Fifteen Mile Creek?
The structure is 64 ft (19.5 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.
Who owns Issq-Hobart RD SE over Fifteen Mile Creek?
It is owned by the County Highway Agency.