US Bridges

Shield Road over Usis Canal

Fair

Yakima County, Washington · 00.16 S Deering · Structure no. 080062000000000

Built
1957
68 years old
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
420
2023 count
Owner
County
County Highway Agency

About this bridge

Shield Road over Usis Canal is a concrete channel beam carrying Shield Road over Usis Canal in Yakima County, Washington. It was built in 1957, so it is 68 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.

It carries about 420 vehicles a day, roughly 5% of them trucks, projected to reach 630 by 2043. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesShield Road
CrossesUsis Canal
Location00.16 S Deering
RouteCounty Highway 53350
CountyYakima County
StateWashington
Coordinates46.46727, -120.5655
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2023)
Projected traffic630 by 2043
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Shield Road over Usis Canal built?

It was built in 1957, making it 68 years old in 2025.

What condition is Shield Road 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 January 2023.

How much traffic does Shield Road over Usis Canal carry?

About 420 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Shield Road over Usis Canal?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Shield Road over Usis Canal?

It is owned by the County Highway Agency.