US Bridges

Starfire Way over Green River

Fair

King County, Washington · 0.1 MI NW Fort Dent Way · Structure no. 083283000000000

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
1,150
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Starfire Way over Green River is a concrete continuous box beam or girders - multiple carrying Starfire Way over Green River in King County, Washington. It was built in 1975, so it is 50 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 1,150 vehicles a day, roughly 8% of them trucks, projected to reach 2,650 by 2042. The structure is 203 ft (61.9 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesStarfire Way
CrossesGreen River
Location0.1 MI NW Fort Dent Way
RouteCounty Highway 0
Coordinates47.46803, -122.24895
Functional classUrban Local

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 inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.3 US tons
Inventory rating46.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2022)
Projected traffic2,650 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Starfire Way over Green River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Starfire Way 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 August 2024.

How much traffic does Starfire Way over Green River carry?

About 1,150 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Starfire Way over Green River?

The structure is 203 ft (61.9 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns Starfire Way over Green River?

It is owned by the City or Municipal Highway Agency.