US Bridges

County Road over Potholes East Canal

Good

Franklin County, Washington · 0.01E JCT R 965 · Structure no. 081906000000000

Built
1954
71 years old, rebuilt 1967
Condition
Good
inspected November 2022
Type
Channel Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

County Road over Potholes East Canal is a prestressed concrete channel beam carrying County Road over Potholes East Canal in Franklin County, Washington. It was built in 1954 and reconstructed in 1967, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 24% of them trucks, projected to reach 445 by 2042. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty Road
CrossesPotholes East Canal
Location0.01E JCT R 965
RouteCounty Highway 9600
CountyFranklin County
StateWashington
Coordinates46.43063, -119.1752
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic445 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Potholes East Canal built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1967.

What condition is County Road over Potholes East Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does County Road over Potholes East Canal carry?

About 300 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is County Road over Potholes East Canal?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 28 ft wide.

Who owns County Road over Potholes East Canal?

It is owned by the County Highway Agency.