US Bridges

Beam Road over Roza Canal

Fair

Yakima County, Washington · 00.20 S Houghton RD · Structure no. 083553000000000

Built
1971
54 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
114 ft
2 main spans
Daily traffic
485
2023 count
Owner
County
County Highway Agency

About this bridge

Beam Road over Roza Canal is a prestressed concrete tee beam carrying Beam Road over Roza Canal in Yakima County, Washington. It was built in 1971, so it is 54 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 485 vehicles a day, roughly 5% of them trucks, projected to reach 525 by 2043. The structure is 114 ft (34.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesBeam Road
CrossesRoza Canal
Location00.20 S Houghton RD
RouteCounty Highway 60410
CountyYakima County
StateWashington
Coordinates46.41563, -120.16732
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
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 rating43.2 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span57 ft (17.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic485 (2023)
Projected traffic525 by 2043
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Beam Road over Roza Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is Beam Road over Roza 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 Beam Road over Roza Canal carry?

About 485 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Beam Road over Roza Canal?

The structure is 114 ft (34.7 m) long with a longest span of 57 ft (17.4 m) and a deck 32 ft wide.

Who owns Beam Road over Roza Canal?

It is owned by the County Highway Agency.