US Bridges

County Arterial over Potholes East Canal

FairPosted for load

Franklin County, Washington · 0.73 W JCT 650 · Structure no. 080189000000000

Built
1957
68 years old, rebuilt 1978
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
255
2022 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 1957 and reconstructed in 1978, so it is 68 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 255 vehicles a day, roughly 30% of them trucks, projected to reach 510 by 2042. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Arterial
CrossesPotholes East Canal
Location0.73 W JCT 650
RouteCounty Highway 6700
CountyFranklin County
StateWashington
Coordinates46.54714, -119.06423
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.3 US tons
Inventory rating7.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2022)
Projected traffic510 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Arterial over Potholes East Canal built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1978.

What condition is County Arterial 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 2022.

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

About 255 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is County Arterial over Potholes East Canal?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns County Arterial over Potholes East Canal?

It is owned by the County Highway Agency.