US Bridges

Maintenance Road over West Canal

Good

Grant County, Washington · West Canal Lateral W26C · Structure no. 11WC0157

Built
1951
74 years old, rebuilt 2014
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
5
2023 count
Owner
Federal
Bureau of Reclamation

About this bridge

Maintenance Road over West Canal is a concrete slab carrying Maintenance Road over West Canal in Grant County, Washington. It was built in 1951 and reconstructed in 2014, so it is 74 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 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 26 ft (8 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMaintenance Road
CrossesWest Canal
LocationWest Canal Lateral W26C
CountyGrant County
StateWashington
Coordinates47.26362, -119.81121
Functional classRural 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 inspectionNovember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length26 ft (8 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic5 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maintenance Road over West Canal built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2014.

What condition is Maintenance Road over West Canal 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 November 2023.

How much traffic does Maintenance Road over West Canal carry?

About 5 vehicles per day (2023 count).

How long is Maintenance Road over West Canal?

The structure is 26 ft (8 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns Maintenance Road over West Canal?

It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.