US Bridges

212th Way SE over Green River

Fair

King County, Washington · 0.1 MI S of Green Val RD · Structure no. 085983000000000

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
257 ft
3 main spans
Daily traffic
3,862
2018 count
Owner
County
County Highway Agency

About this bridge

212th Way SE over Green River is a prestressed concrete continuous stringer/multi-beam or girder carrying 212th Way SE over Green River in King County, Washington. It was built in 1991, so it is 34 years old, younger 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 6 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 3,862 vehicles a day, roughly 4% of them trucks, projected to reach 6,975 by 2039. The structure is 257 ft (78.3 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries212th Way SE
CrossesGreen River
Location0.1 MI S of Green Val RD
RouteCounty Highway 93658
Coordinates47.28193, -122.05524
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating16.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span170 ft (51.8 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,862 (2018)
Projected traffic6,975 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$9.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 212th Way SE over Green River built?

It was built in 1991, making it 34 years old in 2025.

What condition is 212th Way SE over Green River 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 May 2024.

How much traffic does 212th Way SE over Green River carry?

About 3,862 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is 212th Way SE over Green River?

The structure is 257 ft (78.3 m) long with a longest span of 170 ft (51.8 m) and a deck 41 ft wide.

Who owns 212th Way SE over Green River?

It is owned by the County Highway Agency.