SR 18 over Carey Creek Tributary
GoodKing County, Washington · 3.9 E JCT SR 169 · Structure no. 0014567I0000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected March 2022
- Type
- Slab
- Concrete
- Length
- 64 ft
- 1 main span
- Daily traffic
- 15,522
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 over Carey Creek Tributary is a concrete slab carrying SR 18 over Carey Creek Tributary in King County, Washington. It was built in 1995, so it is 30 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 15,522 vehicles a day, roughly 17% of them trucks, projected to reach 23,413 by 2039. The structure is 64 ft (19.5 m) long and 11 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 18 over Carey Creek Tributary built?
It was built in 1995, making it 30 years old in 2025.
What condition is SR 18 over Carey Creek Tributary in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2022.
How much traffic does SR 18 over Carey Creek Tributary carry?
About 15,522 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is SR 18 over Carey Creek Tributary?
The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 11 ft wide.
Who owns SR 18 over Carey Creek Tributary?
It is owned by the State Highway Agency.