SR 18 over BNSF RR Spur
GoodKing County, Washington · 0.8 E JCT SR 164 · Structure no. 0012618B0000000
- Built
- 1960
- 65 years old, rebuilt 1986
- Condition
- Good
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 212 ft
- 3 main spans
- Daily traffic
- 31,748
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 over BNSF RR Spur is a concrete continuous box beam or girders - multiple carrying SR 18 over BNSF RR Spur in King County, Washington. It was built in 1960 and reconstructed in 1986, so it is 65 years old, older 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 31,748 vehicles a day, roughly 11% of them trucks, projected to reach 45,853 by 2039. The structure is 212 ft (64.6 m) long and 42 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 18 over BNSF RR Spur built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1986.
What condition is SR 18 over BNSF RR Spur 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 November 2023.
How much traffic does SR 18 over BNSF RR Spur carry?
About 31,748 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is SR 18 over BNSF RR Spur?
The structure is 212 ft (64.6 m) long with a longest span of 84 ft (25.6 m) and a deck 42 ft wide.
Who owns SR 18 over BNSF RR Spur?
It is owned by the State Highway Agency.