US Bridges

District Line Road over Chandler Canal

FairPosted for load

Benton County, Washington · 00.126 NW of Oieh · Structure no. 081567000000000

Built
1953
72 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
52 ft
1 main span
Daily traffic
404
2023 count
Owner
County
County Highway Agency

About this bridge

District Line Road over Chandler Canal is a wood or timber stringer/multi-beam or girder carrying District Line Road over Chandler Canal in Benton County, Washington. It was built in 1953, so it is 72 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 404 vehicles a day, roughly 15% of them trucks, projected to reach 400 by 2040. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesDistrict Line Road
CrossesChandler Canal
Location00.126 NW of Oieh
RouteCounty Highway 30950
Coordinates46.25938, -119.6283
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.1 US tons
Inventory rating30.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic404 (2023)
Projected traffic400 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$642,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was District Line Road over Chandler Canal built?

It was built in 1953, making it 72 years old in 2025.

What condition is District Line 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 2023.

How much traffic does District Line Road over Chandler Canal carry?

About 404 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is District Line Road over Chandler Canal?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 24 ft wide.

Who owns District Line Road over Chandler Canal?

It is owned by the County Highway Agency.