US Bridges

S Albro Pl over Airport Way S RR

Fair

King County, Washington · S Albro Pl & Airport Way · Structure no. 085342000000000

Built
1931
94 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
565 ft
8 main spans
Daily traffic
13,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Albro Pl over Airport Way S RR is a concrete tee beam carrying S Albro Pl over Airport Way S RR in King County, Washington. It was built in 1931, so it is 94 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 5 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 13,000 vehicles a day, roughly 10% of them trucks, projected to reach 26,000 by 2040. The structure is 565 ft (172.2 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS Albro Pl
CrossesAirport Way S RR
LocationS Albro Pl & Airport Way
RouteCity Street 1140
CountyKing County
StateWashington
Coordinates47.54762, -122.3137
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8 (+3 approach)
Design loadUnknown
Structure length565 ft (172.2 m)
Longest span94 ft (28.7 m)
Deck width55 ft (16.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2021)
Projected traffic26,000 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$15.5 million (2031 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S Albro Pl over Airport Way S RR built?

It was built in 1931, making it 94 years old in 2025.

What condition is S Albro Pl over Airport Way S RR 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 February 2023.

How much traffic does S Albro Pl over Airport Way S RR carry?

About 13,000 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is S Albro Pl over Airport Way S RR?

The structure is 565 ft (172.2 m) long with a longest span of 94 ft (28.7 m) and a deck 55 ft wide.

Who owns S Albro Pl over Airport Way S RR?

It is owned by the City or Municipal Highway Agency.