US Bridges

Spokane Street over Spokane Street

Good

King County, Washington · E Marginal and Spokane ST · Structure no. 088653000000000

Built
2012
13 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
548 ft
4 main spans
Daily traffic
10,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spokane Street over Spokane Street is a prestressed concrete continuous stringer/multi-beam or girder carrying Spokane Street over Spokane Street in King County, Washington. It was built in 2012, so it is 13 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,000 vehicles a day, roughly 50% of them trucks, projected to reach 12,000 by 2038. The structure is 548 ft (167 m) long and 38 ft wide.

CarriesSpokane Street
CrossesSpokane Street
LocationE Marginal and Spokane ST
RouteCity Street 1140
Coordinates47.57083, -122.34194
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length548 ft (167 m)
Longest span143 ft (43.6 m)
Deck width38 ft (11.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2018)
Projected traffic12,000 by 2038
Trucks50%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed—
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$26.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spokane Street over Spokane Street built?

It was built in 2012, making it 13 years old in 2025.

What condition is Spokane Street over Spokane Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Spokane Street over Spokane Street carry?

About 10,000 vehicles per day (2018 count), of which roughly 50% are trucks.

How long is Spokane Street over Spokane Street?

The structure is 548 ft (167 m) long with a longest span of 143 ft (43.6 m) and a deck 38 ft wide.

Who owns Spokane Street over Spokane Street?

It is owned by the City or Municipal Highway Agency.