US Bridges

Wahatis Peak Road over Wahluke Branch Canal

Fair

Grant County, Washington · (white Bluffs Wasteway - · Structure no. 11PEC0037

Built
1967
58 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
101 ft
2 main spans
Daily traffic
1
2023 count
Owner
Federal
Bureau of Reclamation

About this bridge

Wahatis Peak Road over Wahluke Branch Canal is a prestressed concrete slab carrying Wahatis Peak Road over Wahluke Branch Canal in Grant County, Washington. It was built in 1967, so it is 58 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.

It carries about 1 vehicles a day, projected to reach 1 by 2043. The structure is 101 ft (30.8 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesWahatis Peak Road
CrossesWahluke Branch Canal
Location(white Bluffs Wasteway -
CountyGrant County
StateWashington
Coordinates46.76563, -119.41881
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating88.7 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length101 ft (30.8 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2023)
Projected traffic1 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Wahatis Peak Road over Wahluke Branch Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is Wahatis Peak Road over Wahluke Branch 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 February 2023.

How much traffic does Wahatis Peak Road over Wahluke Branch Canal carry?

About 1 vehicles per day (2023 count).

How long is Wahatis Peak Road over Wahluke Branch Canal?

The structure is 101 ft (30.8 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns Wahatis Peak Road over Wahluke Branch Canal?

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