US Bridges

Maintenance Road over West Canal W39.9

FairPosted for load

Grant County, Washington · West Canal W39.9 Station · Structure no. 11WC0252

Built
1950
75 years old, rebuilt 2003
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
20
2022 count
Owner
Federal
Bureau of Reclamation

About this bridge

Maintenance Road over West Canal W39.9 is a steel stringer/multi-beam or girder carrying Maintenance Road over West Canal W39.9 in Grant County, Washington. It was built in 1950 and reconstructed in 2003, 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 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 20 vehicles a day, projected to reach 20 by 2042. The structure is 47 ft (14.3 m) long and 19 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMaintenance Road
CrossesWest Canal W39.9
LocationWest Canal W39.9 Station
CountyGrant County
StateWashington
Coordinates47.14316, -119.85309
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.7 US tons
Inventory rating11.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span39 ft (11.9 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-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 byPrivate (other than railroad)
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 W39.9 built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2003.

What condition is Maintenance Road over West Canal W39.9 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 2024.

How much traffic does Maintenance Road over West Canal W39.9 carry?

About 20 vehicles per day (2022 count).

How long is Maintenance Road over West Canal W39.9?

The structure is 47 ft (14.3 m) long with a longest span of 39 ft (11.9 m) and a deck 19 ft wide.

Who owns Maintenance Road over West Canal W39.9?

It is owned by the Bureau of Reclamation and maintained by the Private (other than railroad).