US Bridges

Lateral a Rd. over Usis Canal

Good

Yakima County, Washington · 00.08 N Lundberg RD · Structure no. 083927000000000

Built
1978
47 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
6,073
2023 count
Owner
County
County Highway Agency

About this bridge

Lateral a Rd. over Usis Canal is a prestressed concrete stringer/multi-beam or girder carrying Lateral a Rd. over Usis Canal in Yakima County, Washington. It was built in 1978, so it is 47 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,073 vehicles a day, roughly 5% of them trucks, projected to reach 8,015 by 2043. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLateral a Rd.
CrossesUsis Canal
Location00.08 N Lundberg RD
RouteCounty Highway 50380
Coordinates46.50045, -120.48024
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 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 rating30.3 US tons
Inventory rating23.6 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,073 (2023)
Projected traffic8,015 by 2043
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$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lateral a Rd. over Usis Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Lateral a Rd. over Usis 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 January 2023.

How much traffic does Lateral a Rd. over Usis Canal carry?

About 6,073 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Lateral a Rd. over Usis Canal?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Lateral a Rd. over Usis Canal?

It is owned by the County Highway Agency.