US Bridges

County Arterial over Potholes Canal

Good

Franklin County, Washington · 0.44 E Glade N 901 · Structure no. 087034000000000

Built
2003
22 years old
Condition
Good
inspected November 2022
Type
Tee Beam
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
255
2022 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 2003, so it is 22 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 255 vehicles a day, roughly 30% of them trucks, projected to reach 450 by 2042. The structure is 103 ft (31.4 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Arterial
CrossesPotholes Canal
Location0.44 E Glade N 901
RouteCounty Highway 6700
Coordinates46.54743, -119.12282
Functional classRural Minor 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.
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 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 rating57.5 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length103 ft (31.4 m)
Longest span103 ft (31.4 m)
Deck width29 ft (8.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2022)
Projected traffic450 by 2042
Trucks30%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Arterial over Potholes Canal built?

It was built in 2003, making it 22 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 November 2022.

How much traffic does County Arterial over Potholes Canal carry?

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

How long is County Arterial over Potholes Canal?

The structure is 103 ft (31.4 m) long with a longest span of 103 ft (31.4 m) and a deck 29 ft wide.

Who owns County Arterial over Potholes Canal?

It is owned by the County Highway Agency.