US Bridges

Ahtanum Rd. over Bachelor Creek

FairPosted for load

Yakima County, Washington · 0.04 W Goodman Rd. · Structure no. 087038000000000

Built
1969
56 years old
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
10,018
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ahtanum Rd. over Bachelor Creek is a concrete channel beam carrying Ahtanum Rd. over Bachelor Creek in Yakima County, Washington. It was built in 1969, so it is 56 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. Its operating status is: posted for load restriction.

It carries about 10,018 vehicles a day, roughly 28% of them trucks, projected to reach 11,020 by 2043. The structure is 32 ft (9.8 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAhtanum Rd.
CrossesBachelor Creek
Location0.04 W Goodman Rd.
RouteCity Street 3026
CountyYakima County
StateWashington
Coordinates46.55794, -120.50312
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width49 ft (14.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,018 (2023)
Projected traffic11,020 by 2043
Trucks28%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ahtanum Rd. over Bachelor Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Ahtanum Rd. over Bachelor Creek 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 Ahtanum Rd. over Bachelor Creek carry?

About 10,018 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is Ahtanum Rd. over Bachelor Creek?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 49 ft wide.

Who owns Ahtanum Rd. over Bachelor Creek?

It is owned by the City or Municipal Highway Agency.