US Bridges

Little Spokane Dr. over Little Spokane River

Good

Spokane County, Washington · 0.25 MI E of Perry RD · Structure no. 089542000000000

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
1,109
2020 count
Owner
County
County Highway Agency

About this bridge

Little Spokane Dr. over Little Spokane River is a prestressed concrete stringer/multi-beam or girder carrying Little Spokane Dr. over Little Spokane River in Spokane County, Washington. It was built in 2024, so it is 1 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 1,109 vehicles a day, roughly 17% of them trucks, projected to reach 1,596 by 2042. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLittle Spokane Dr.
CrossesLittle Spokane River
Location0.25 MI E of Perry RD
RouteCounty Highway 2570
Coordinates47.84264, -117.37489
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span115 ft (35.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,109 (2020)
Projected traffic1,596 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Little Spokane Dr. over Little Spokane River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Little Spokane Dr. over Little 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 December 2024.

How much traffic does Little Spokane Dr. over Little Spokane River carry?

About 1,109 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Little Spokane Dr. over Little Spokane River?

The structure is 120 ft (36.6 m) long with a longest span of 115 ft (35.1 m) and a deck 36 ft wide.

Who owns Little Spokane Dr. over Little Spokane River?

It is owned by the County Highway Agency.