US Bridges

Cheney-Spokane RD over Up&bn RR & Marshall CR

Poor

Spokane County, Washington · 0.2 NE Marshall · Structure no. 081934000000000

Built
1949
76 years old
Condition
Poor
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
547 ft
10 main spans
Daily traffic
2,238
2020 count
Owner
County
County Highway Agency

About this bridge

Cheney-Spokane RD over Up&bn RR & Marshall CR is a concrete continuous tee beam carrying Cheney-Spokane RD over Up&bn RR & Marshall CR in Spokane County, Washington. It was built in 1949, so it is 76 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,238 vehicles a day, roughly 14% of them trucks, projected to reach 3,222 by 2042. The structure is 547 ft (166.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCheney-Spokane RD
CrossesUp&bn RR & Marshall CR
Location0.2 NE Marshall
RouteCounty Highway 579
Coordinates47.56669, -117.4943
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length547 ft (166.7 m)
Longest span72 ft (21.9 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,238 (2020)
Projected traffic3,222 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$20.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cheney-Spokane RD over Up&bn RR & Marshall CR built?

It was built in 1949, making it 76 years old in 2025.

What condition is Cheney-Spokane RD over Up&bn RR & Marshall CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Cheney-Spokane RD over Up&bn RR & Marshall CR carry?

About 2,238 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Cheney-Spokane RD over Up&bn RR & Marshall CR?

The structure is 547 ft (166.7 m) long with a longest span of 72 ft (21.9 m) and a deck 32 ft wide.

Who owns Cheney-Spokane RD over Up&bn RR & Marshall CR?

It is owned by the County Highway Agency.