US Bridges

County Road over Potholes East Canal

Good

Franklin County, Washington · 0.42 N. Elm RD 960 · Structure no. 087226000000000

Built
2005
20 years old
Condition
Good
inspected November 2022
Type
Tee Beam
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
112
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over Potholes East Canal is a prestressed concrete tee beam carrying County Road over Potholes East Canal in Franklin County, Washington. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 112 vehicles a day, roughly 60% of them trucks, projected to reach 150 by 2042. The structure is 57 ft (17.4 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty Road
CrossesPotholes East Canal
Location0.42 N. Elm RD 960
RouteCounty Highway 9690
CountyFranklin County
StateWashington
Coordinates46.43683, -119.14384
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating32.2 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length57 ft (17.4 m)
Longest span53 ft (16.2 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2022)
Projected traffic150 by 2042
Trucks60%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Potholes East Canal built?

It was built in 2005, making it 20 years old in 2025.

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 112 vehicles per day (2022 count), of which roughly 60% are trucks.

How long is County Road over Potholes East Canal?

The structure is 57 ft (17.4 m) long with a longest span of 53 ft (16.2 m) and a deck 29 ft wide.

Who owns County Road over Potholes East Canal?

It is owned by the County Highway Agency.