US Bridges

SR 290 over RR Spokane River City ST

Fair

Spokane County, Washington · 0.4 E JCT I-90 · Structure no. 0012327A0000000

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,367 ft
3 main spans
Daily traffic
7,681
2023 count
Owner
State
State Highway Agency

About this bridge

SR 290 over RR Spokane River City ST is a prestressed concrete continuous box beam or girders - multiple carrying SR 290 over RR Spokane River City ST in Spokane County, Washington. It was built in 1984, so it is 41 years old, younger 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 7,681 vehicles a day, roughly 5% of them trucks, projected to reach 9,243 by 2039. The structure is 1,367 ft (416.7 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 290
CrossesRR Spokane River City ST
Location0.4 E JCT I-90
RouteState Highway 290
CountySpokane County
StateWashington
Coordinates47.65706, -117.39481
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length1,367 ft (416.7 m)
Longest span251 ft (76.5 m)
Deck width77 ft (23.5 m)
Roadway width69 ft (21.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,681 (2023)
Projected traffic9,243 by 2039
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$46.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 290 over RR Spokane River City ST built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 290 over RR Spokane River City ST 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 September 2023.

How much traffic does SR 290 over RR Spokane River City ST carry?

About 7,681 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 290 over RR Spokane River City ST?

The structure is 1,367 ft (416.7 m) long with a longest span of 251 ft (76.5 m) and a deck 77 ft wide.

Who owns SR 290 over RR Spokane River City ST?

It is owned by the State Highway Agency.