US Bridges

Hendricks Road over Wahluke Branch Canal

Good

Franklin County, Washington · 2.1 W of Sagehill 400 · Structure no. 086543000000000

Built
1999
26 years old
Condition
Good
inspected November 2022
Type
Tee Beam
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
254
2020 count
Owner
County
County Highway Agency

About this bridge

Hendricks Road over Wahluke Branch Canal is a prestressed concrete tee beam carrying Hendricks Road over Wahluke Branch Canal in Franklin County, Washington. It was built in 1999, so it is 26 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 254 vehicles a day, roughly 57% of them trucks, projected to reach 620 by 2040. The structure is 86 ft (26.2 m) long and 34 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesHendricks Road
CrossesWahluke Branch Canal
Location2.1 W of Sagehill 400
RouteCounty Highway 3700
Coordinates46.69258, -119.21181
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.
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 on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length86 ft (26.2 m)
Longest span86 ft (26.2 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic254 (2020)
Projected traffic620 by 2040
Trucks57%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Hendricks Road over Wahluke Branch Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is Hendricks Road over Wahluke Branch 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 Hendricks Road over Wahluke Branch Canal carry?

About 254 vehicles per day (2020 count), of which roughly 57% are trucks.

How long is Hendricks Road over Wahluke Branch Canal?

The structure is 86 ft (26.2 m) long with a longest span of 86 ft (26.2 m) and a deck 34 ft wide.

Who owns Hendricks Road over Wahluke Branch Canal?

It is owned by the County Highway Agency.