US Bridges

Birchfield Road over Moxee Drain

GoodPosted for load

Yakima County, Washington · 00.25 S Beauchene · Structure no. 081129000000000

Built
1968
57 years old
Condition
Good
inspected January 2023
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
899
2023 count
Owner
County
County Highway Agency

About this bridge

Birchfield Road over Moxee Drain is a concrete channel beam carrying Birchfield Road over Moxee Drain in Yakima County, Washington. It was built in 1968, so it is 57 years old, older 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. Its operating status is: posted for load restriction.

It carries about 899 vehicles a day, roughly 5% of them trucks, projected to reach 995 by 2043. The structure is 34 ft (10.4 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBirchfield Road
CrossesMoxee Drain
Location00.25 S Beauchene
RouteCounty Highway 40150
Coordinates46.545, -120.43667
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic899 (2023)
Projected traffic995 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$1.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Birchfield Road over Moxee Drain built?

It was built in 1968, making it 57 years old in 2025.

What condition is Birchfield Road over Moxee Drain 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 Birchfield Road over Moxee Drain carry?

About 899 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Birchfield Road over Moxee Drain?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns Birchfield Road over Moxee Drain?

It is owned by the County Highway Agency.