US Bridges

Branch Rd. over Usis Canal

FairPosted for load

Yakima County, Washington · 00.49 W Lateral "c" · Structure no. 083569000000000

Built
1962
63 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
1,600
2019 count
Owner
County
County Highway Agency

About this bridge

Branch Rd. over Usis Canal is a concrete channel beam carrying Branch Rd. over Usis Canal in Yakima County, Washington. It was built in 1962, so it is 63 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 1,600 vehicles a day, roughly 5% of them trucks, projected to reach 1,900 by 2039. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBranch Rd.
CrossesUsis Canal
Location00.49 W Lateral "c"
RouteCounty Highway 50100
CountyYakima County
StateWashington
Coordinates46.40466, -120.53373
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2019)
Projected traffic1,900 by 2039
Trucks5%
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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Branch Rd. over Usis Canal built?

It was built in 1962, making it 63 years old in 2025.

What condition is Branch Rd. over Usis 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 February 2023.

How much traffic does Branch Rd. over Usis Canal carry?

About 1,600 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Branch Rd. over Usis Canal?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Branch Rd. over Usis Canal?

It is owned by the County Highway Agency.