SE 188th ST over SR 18
GoodKing County, Washington · 4.2 E JCT SR 169 · Structure no. 0014567E0000000
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 259 ft
- 2 main spans
- Daily traffic
- 850
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
SE 188th ST over SR 18 is a prestressed concrete continuous stringer/multi-beam or girder carrying SE 188th ST over SR 18 in King County, Washington. It was built in 1996, so it is 29 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 850 vehicles a day, roughly 1% of them trucks, projected to reach 1,068 by 2033. The structure is 259 ft (78.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 SE 188th ST over SR 18 built?
It was built in 1996, making it 29 years old in 2025.
What condition is SE 188th ST over SR 18 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 April 2024.
How much traffic does SE 188th ST over SR 18 carry?
About 850 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is SE 188th ST over SR 18?
The structure is 259 ft (78.9 m) long with a longest span of 135 ft (41.1 m) and a deck 30 ft wide.
Who owns SE 188th ST over SR 18?
It is owned by the State Highway Agency.