US Bridges

Meyers RD N Irrig over Slough

Good

Yakima County, Washington · 00.78 N of Fraley · Structure no. 084787000000000

Built
1980
45 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
6,903
2023 count
Owner
County
County Highway Agency

About this bridge

Meyers RD N Irrig over Slough is a prestressed concrete stringer/multi-beam or girder carrying Meyers RD N Irrig over Slough in Yakima County, Washington. It was built in 1980, so it is 45 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 6,903 vehicles a day, roughly 5% of them trucks, projected to reach 8,945 by 2043. The structure is 131 ft (39.9 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMeyers RD N Irrig
CrossesSlough
Location00.78 N of Fraley
RouteCounty Highway 70410
Coordinates46.40163, -120.27976
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span128 ft (39 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,903 (2023)
Projected traffic8,945 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$5.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Meyers RD N Irrig over Slough built?

It was built in 1980, making it 45 years old in 2025.

What condition is Meyers RD N Irrig over Slough 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 February 2023.

How much traffic does Meyers RD N Irrig over Slough carry?

About 6,903 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Meyers RD N Irrig over Slough?

The structure is 131 ft (39.9 m) long with a longest span of 128 ft (39 m) and a deck 43 ft wide.

Who owns Meyers RD N Irrig over Slough?

It is owned by the County Highway Agency.