US Bridges

Bench RD over Potholes East Canal

FairPosted for load

Adams County, Washington · 00.66 MI W SR24 · Structure no. 080900000000000

Built
1978
47 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
128 ft
1 main span
Daily traffic
3,255
2018 count
Owner
County
County Highway Agency

About this bridge

Bench RD over Potholes East Canal is a concrete continuous stringer/multi-beam or girder carrying Bench RD over Potholes East Canal in Adams County, Washington. It was built in 1978, so it is 47 years old, younger 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 3,255 vehicles a day, roughly 3% of them trucks, projected to reach 4,052 by 2039. The structure is 128 ft (39 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBench RD
CrossesPotholes East Canal
Location00.66 MI W SR24
RouteCounty Highway 12241
Coordinates46.79682, -119.19079
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating23.3 US tons

Structure

MaterialConcrete Continuous
DeckOther
Main spans1
Design loadHS 20
Structure length128 ft (39 m)
Longest span127 ft (38.8 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,255 (2018)
Projected traffic4,052 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bench RD over Potholes East Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Bench RD over Potholes East 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 2024.

How much traffic does Bench RD over Potholes East Canal carry?

About 3,255 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Bench RD over Potholes East Canal?

The structure is 128 ft (39 m) long with a longest span of 127 ft (38.8 m) and a deck 48 ft wide.

Who owns Bench RD over Potholes East Canal?

It is owned by the County Highway Agency.