US Bridges

Maintenance Road over West Canal

FairPosted for load

Grant County, Washington · West Canal Lateral 35.9D · Structure no. 11WC0231

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
30 ft
1 main span
Daily traffic
30
2023 count
Owner
Federal
Bureau of Reclamation

About this bridge

Maintenance Road over West Canal is a wood or timber stringer/multi-beam or girder carrying Maintenance Road over West Canal in Grant County, Washington. It was built in 1968, so it is 57 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 30 ft (9.2 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesMaintenance Road
CrossesWest Canal
LocationWest Canal Lateral 35.9D
CountyGrant County
StateWashington
Coordinates47.21798, -119.96086
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.1 US tons
Inventory rating14.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span27 ft (8.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic30 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 1968, making it 57 years old in 2025.

What condition is Maintenance Road over West Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Maintenance Road over West Canal carry?

About 30 vehicles per day (2023 count).

How long is Maintenance Road over West Canal?

The structure is 30 ft (9.2 m) long with a longest span of 27 ft (8.3 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.