US Bridges

Stevens Street over S. Channel Spokane River

Fair

Spokane County, Washington · 0.75 N of I-90 · Structure no. 085309000000000

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
373 ft
3 main spans
Daily traffic
8,287
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stevens Street over S. Channel Spokane River is a prestressed concrete continuous box beam or girders - single or spread carrying Stevens Street over S. Channel Spokane River in Spokane County, Washington. It was built in 1973, so it is 52 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 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 8,287 vehicles a day, roughly 12% of them trucks, projected to reach 20,400 by 2042. The structure is 373 ft (113.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStevens Street
CrossesS. Channel Spokane River
Location0.75 N of I-90
RouteCity Street 810
Coordinates47.66114, -117.41889
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
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 rating110.1 US tons
Inventory rating94 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length373 ft (113.7 m)
Longest span180 ft (54.9 m)
Deck width40 ft (12.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,287 (2023)
Projected traffic20,400 by 2042
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$4.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stevens Street over S. Channel Spokane River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Stevens Street over S. Channel Spokane River 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 August 2024.

How much traffic does Stevens Street over S. Channel Spokane River carry?

About 8,287 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Stevens Street over S. Channel Spokane River?

The structure is 373 ft (113.7 m) long with a longest span of 180 ft (54.9 m) and a deck 40 ft wide.

Who owns Stevens Street over S. Channel Spokane River?

It is owned by the City or Municipal Highway Agency.