US Bridges

Cheney-Spangle RD over Columbia Plateau Trail

Good

Spokane County, Washington · 0.9 SE Psh No 904 · Structure no. 082352000000000

Built
1950
75 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
1,963
2020 count
Owner
County
County Highway Agency

About this bridge

Cheney-Spangle RD over Columbia Plateau Trail is a concrete continuous stringer/multi-beam or girder carrying Cheney-Spangle RD over Columbia Plateau Trail in Spokane County, Washington. It was built in 1950, so it is 75 years old, older 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 1,963 vehicles a day, roughly 16% of them trucks, projected to reach 2,826 by 2042. The structure is 95 ft (29 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCheney-Spangle RD
CrossesColumbia Plateau Trail
Location0.9 SE Psh No 904
RouteCounty Highway 578
Coordinates47.47938, -117.56149
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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length95 ft (29 m)
Longest span58 ft (17.7 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,963 (2020)
Projected traffic2,826 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cheney-Spangle RD over Columbia Plateau Trail built?

It was built in 1950, making it 75 years old in 2025.

What condition is Cheney-Spangle RD over Columbia Plateau Trail 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 August 2024.

How much traffic does Cheney-Spangle RD over Columbia Plateau Trail carry?

About 1,963 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is Cheney-Spangle RD over Columbia Plateau Trail?

The structure is 95 ft (29 m) long with a longest span of 58 ft (17.7 m) and a deck 33 ft wide.

Who owns Cheney-Spangle RD over Columbia Plateau Trail?

It is owned by the County Highway Agency.