US Bridges

SR 290 over Spokane River

Good

Spokane County, Washington · 0.8 E JCT I-90 · Structure no. 0019509A0000000

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
523 ft
4 main spans
Daily traffic
7,326
2023 count
Owner
State
State Highway Agency

About this bridge

SR 290 over Spokane River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 290 over Spokane River in Spokane County, Washington. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,326 vehicles a day, roughly 7% of them trucks, projected to reach 16,056 by 2038. The structure is 523 ft (159.3 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 290
CrossesSpokane River
Location0.8 E JCT I-90
RouteState Highway 290
CountySpokane County
StateWashington
Coordinates47.66188, -117.39461
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length523 ft (159.3 m)
Longest span125 ft (38 m)
Deck width55 ft (16.8 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,326 (2023)
Projected traffic16,056 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 290 over Spokane River built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 290 over Spokane River 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 SR 290 over Spokane River carry?

About 7,326 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 290 over Spokane River?

The structure is 523 ft (159.3 m) long with a longest span of 125 ft (38 m) and a deck 55 ft wide.

Who owns SR 290 over Spokane River?

It is owned by the State Highway Agency.