US Bridges

Marshall Road over Marshall Creek

Good

Spokane County, Washington · 0.1 W Cheney-Spokane · Structure no. 089392000000000

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Girder and Floorbeam System
Steel
Length
26 ft
1 main span
Daily traffic
52
2022 count
Owner
County
County Highway Agency

About this bridge

Marshall Road over Marshall Creek is a steel girder and floorbeam system carrying Marshall Road over Marshall Creek 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 52 vehicles a day, roughly 24% of them trucks, projected to reach 74 by 2042. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMarshall Road
CrossesMarshall Creek
Location0.1 W Cheney-Spokane
RouteCounty Highway 2984
CountySpokane County
StateWashington
Coordinates47.59547, -117.44771
Functional classUrban Local

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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2022)
Projected traffic74 by 2042
Trucks24%
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$308,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Marshall Road over Marshall Creek built?

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

What condition is Marshall Road over Marshall Creek 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 Marshall Road over Marshall Creek carry?

About 52 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Marshall Road over Marshall Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Marshall Road over Marshall Creek?

It is owned by the County Highway Agency.