US Bridges

SR 202 over Detention Vault

Good

King County, Washington · 2.0 E JCT SR 520 · Structure no. 0017030E0000000

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
251 ft
1 main span
Daily traffic
15,091
2023 count
Owner
State
State Highway Agency

About this bridge

SR 202 over Detention Vault is a concrete culvert carrying SR 202 over Detention Vault in King County, Washington. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,091 vehicles a day, roughly 4% of them trucks, projected to reach 23,806 by 2039. The structure is 251 ft (76.5 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 202
CrossesDetention Vault
Location2.0 E JCT SR 520
RouteState Highway 202
CountyKing County
StateWashington
Coordinates47.65636, -122.07017
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length251 ft (76.5 m)
Longest span251 ft (76.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,091 (2023)
Projected traffic23,806 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 202 over Detention Vault built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR 202 over Detention Vault 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 May 2024.

How much traffic does SR 202 over Detention Vault carry?

About 15,091 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 202 over Detention Vault?

The structure is 251 ft (76.5 m) long with a longest span of 251 ft (76.5 m).

Who owns SR 202 over Detention Vault?

It is owned by the State Highway Agency.