US Bridges

W Garfield ST over Marina Pl RR Ravine

Poor

King County, Washington · 1700 W Garfield ST · Structure no. 085408000000000

Built
1929
96 years old
Condition
Poor
inspected July 2024
Type
Truss - Deck
Concrete Continuous
Length
3,008 ft
15 main spans
Daily traffic
18,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Garfield ST over Marina Pl RR Ravine is a concrete continuous truss - deck carrying W Garfield ST over Marina Pl RR Ravine in King County, Washington. It was built in 1929, so it is 96 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 18,000 vehicles a day, roughly 10% of them trucks, projected to reach 20,000 by 2043. The structure is 3,008 ft (916.8 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW Garfield ST
CrossesMarina Pl RR Ravine
Location1700 W Garfield ST
RouteCity Street 1140
Coordinates47.63349, -122.38609
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans15 (+50 approach)
Design loadUnknown
Structure length3,008 ft (916.8 m)
Longest span87 ft (26.5 m)
Deck width51 ft (15.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2021)
Projected traffic20,000 by 2043
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W Garfield ST over Marina Pl RR Ravine built?

It was built in 1929, making it 96 years old in 2025.

What condition is W Garfield ST over Marina Pl RR Ravine in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does W Garfield ST over Marina Pl RR Ravine carry?

About 18,000 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is W Garfield ST over Marina Pl RR Ravine?

The structure is 3,008 ft (916.8 m) long with a longest span of 87 ft (26.5 m) and a deck 51 ft wide.

Who owns W Garfield ST over Marina Pl RR Ravine?

It is owned by the City or Municipal Highway Agency.