US Bridges

38th Ave. S. over Bachelor Creek

Good

Yakima County, Washington · 00.02 N Ahtanum RD · Structure no. 085984000000000

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
1,100
2023 count
Owner
County
County Highway Agency

About this bridge

38th Ave. S. over Bachelor Creek is a prestressed concrete slab carrying 38th Ave. S. over Bachelor Creek in Yakima County, Washington. It was built in 1992, so it is 33 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 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 1,375 by 2043. The structure is 26 ft (7.9 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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Carries38th Ave. S.
CrossesBachelor Creek
Location00.02 N Ahtanum RD
RouteCounty Highway 35510
CountyYakima County
StateWashington
Coordinates46.55833, -120.06
Functional classUrban Local

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 rating36 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width38 ft (11.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,375 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 38th Ave. S. over Bachelor Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is 38th Ave. S. over Bachelor Creek 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 March 2023.

How much traffic does 38th Ave. S. over Bachelor Creek carry?

About 1,100 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is 38th Ave. S. over Bachelor Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 38 ft wide.

Who owns 38th Ave. S. over Bachelor Creek?

It is owned by the County Highway Agency.