US Bridges

Fauntleroy Way over Admiral Way Avalon Way

Fair

King County, Washington · Fauntleroy Way & 35th Ave · Structure no. 085192000000000

Built
1963
62 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
3,123 ft
38 main spans
Daily traffic
55,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fauntleroy Way over Admiral Way Avalon Way is a prestressed concrete stringer/multi-beam or girder carrying Fauntleroy Way over Admiral Way Avalon Way in King County, Washington. It was built in 1963, so it is 62 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 55,000 vehicles a day, roughly 10% of them trucks, projected to reach 65,000 by 2045. The structure is 3,123 ft (951.9 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFauntleroy Way
CrossesAdmiral Way Avalon Way
LocationFauntleroy Way & 35th Ave
RouteCity Street 1140
Coordinates47.57094, -122.37201
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans38
Design loadHS 20
Structure length3,123 ft (951.9 m)
Longest span128 ft (39 m)
Deck width61 ft (18.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,000 (2022)
Projected traffic65,000 by 2045
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$86 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fauntleroy Way over Admiral Way Avalon Way built?

It was built in 1963, making it 62 years old in 2025.

What condition is Fauntleroy Way over Admiral Way Avalon Way 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 March 2023.

How much traffic does Fauntleroy Way over Admiral Way Avalon Way carry?

About 55,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Fauntleroy Way over Admiral Way Avalon Way?

The structure is 3,123 ft (951.9 m) long with a longest span of 128 ft (39 m) and a deck 61 ft wide.

Who owns Fauntleroy Way over Admiral Way Avalon Way?

It is owned by the City or Municipal Highway Agency.