US Bridges

County Arterial over Potholes East Canal

Good

Franklin County, Washington · 0.21 W Langford · Structure no. 080022000000000

Built
1956
69 years old, rebuilt 1976
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
41 ft
2 main spans
Daily traffic
839
2020 count
Owner
County
County Highway Agency

About this bridge

County Arterial over Potholes East Canal is a prestressed concrete stringer/multi-beam or girder carrying County Arterial over Potholes East Canal in Franklin County, Washington. It was built in 1956 and reconstructed in 1976, so it is 69 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 839 vehicles a day, roughly 46% of them trucks, projected to reach 1,499 by 2040. The structure is 41 ft (12.5 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Arterial
CrossesPotholes East Canal
Location0.21 W Langford
RouteCounty Highway 6000
Coordinates46.46002, -119.04236
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
Deck8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadH 15
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic839 (2020)
Projected traffic1,499 by 2040
Trucks46%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Arterial over Potholes East Canal built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1976.

What condition is County Arterial 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 Arterial over Potholes East Canal carry?

About 839 vehicles per day (2020 count), of which roughly 46% are trucks.

How long is County Arterial over Potholes East Canal?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 32 ft wide.

Who owns County Arterial over Potholes East Canal?

It is owned by the County Highway Agency.