US Bridges

S 212th ST over Green River

Fair

King County, Washington · 0.72 MI W of 68th Av S · Structure no. 085156000000000

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
194 ft
3 main spans
Daily traffic
36,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

S 212th ST over Green River is a steel continuous stringer/multi-beam or girder carrying S 212th ST over Green River in King County, Washington. It was built in 1966, so it is 59 years old, older 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 36,000 vehicles a day, roughly 20% of them trucks, projected to reach 46,000 by 2042. The structure is 194 ft (59.1 m) long and 56 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS 212th ST
CrossesGreen River
Location0.72 MI W of 68th Av S
RouteCity Street 1250
Coordinates47.41236, -122.26519
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span130 ft (39.6 m)
Deck width56 ft (17.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,000 (2022)
Projected traffic46,000 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S 212th ST over Green River built?

It was built in 1966, making it 59 years old in 2025.

What condition is S 212th ST 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 April 2024.

How much traffic does S 212th ST over Green River carry?

About 36,000 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is S 212th ST over Green River?

The structure is 194 ft (59.1 m) long with a longest span of 130 ft (39.6 m) and a deck 56 ft wide.

Who owns S 212th ST over Green River?

It is owned by the City or Municipal Highway Agency.