US Bridges

Bunn Road over Chandler Canal

FairPosted for load

Benton County, Washington · Bunn RD at Chandler Canal · Structure no. 13CHA2.00

Built
1954
71 years old, rebuilt 2007
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
82 ft
3 main spans
Daily traffic
50
2022 count
Owner
Federal
Bureau of Reclamation

About this bridge

Bunn Road over Chandler Canal is a wood or timber stringer/multi-beam or girder carrying Bunn Road over Chandler Canal in Benton County, Washington. It was built in 1954 and reconstructed in 2007, so it is 71 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 6 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 50 vehicles a day, projected to reach 50 by 2042. The structure is 82 ft (25.1 m) long and 16 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesBunn Road
CrossesChandler Canal
LocationBunn RD at Chandler Canal
CountyBenton County
StateWashington
Coordinates46.22364, -119.73697
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry7: Better than 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 rating26.8 US tons
Inventory rating19.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length82 ft (25.1 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
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 Bunn Road over Chandler Canal built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2007.

What condition is Bunn Road over Chandler 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 December 2024.

How much traffic does Bunn Road over Chandler Canal carry?

About 50 vehicles per day (2022 count).

How long is Bunn Road over Chandler Canal?

The structure is 82 ft (25.1 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns Bunn Road over Chandler Canal?

It is owned by the Bureau of Reclamation.