US Bridges

County Arterial over Potholes Canal

Good

Franklin County, Washington · 0.06 W Langford 605 · Structure no. 088638000000000

Built
2014
11 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
972
2023 count
Owner
County
County Highway Agency

About this bridge

County Arterial over Potholes Canal is a prestressed concrete tee beam carrying County Arterial over Potholes Canal in Franklin County, Washington. It was built in 2014, so it is 11 years old, younger 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 972 vehicles a day, roughly 55% of them trucks, projected to reach 1,290 by 2040. The structure is 92 ft (28 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Arterial
CrossesPotholes Canal
Location0.06 W Langford 605
RouteCounty Highway 6080
CountyFranklin County
StateWashington
Coordinates46.59134, -119.05022
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating42.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic972 (2023)
Projected traffic1,290 by 2040
Trucks55%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Arterial over Potholes Canal built?

It was built in 2014, making it 11 years old in 2025.

What condition is County Arterial over Potholes 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 December 2023.

How much traffic does County Arterial over Potholes Canal carry?

About 972 vehicles per day (2023 count), of which roughly 55% are trucks.

How long is County Arterial over Potholes Canal?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 36 ft wide.

Who owns County Arterial over Potholes Canal?

It is owned by the County Highway Agency.