US Bridges

So 48th Avenue over Wide Hollow Creek

Good

Yakima County, Washington · 00.57 No Washington · Structure no. 085459000000000

Built
1984
41 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
4,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

So 48th Avenue over Wide Hollow Creek is a prestressed concrete stringer/multi-beam or girder carrying So 48th Avenue over Wide Hollow Creek in Yakima County, Washington. It was built in 1984, so it is 41 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 4,000 vehicles a day, roughly 10% of them trucks, projected to reach 6,000 by 2043. The structure is 64 ft (19.5 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSo 48th Avenue
CrossesWide Hollow Creek
Location00.57 No Washington
RouteCity Street 4587
CountyYakima County
StateWashington
Coordinates46.57833, -120.57333
Functional classUrban 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 evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating31.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span59 ft (18 m)
Deck width60 ft (18.3 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic6,000 by 2043
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$3.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was So 48th Avenue over Wide Hollow Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is So 48th Avenue over Wide Hollow 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 January 2023.

How much traffic does So 48th Avenue over Wide Hollow Creek carry?

About 4,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is So 48th Avenue over Wide Hollow Creek?

The structure is 64 ft (19.5 m) long with a longest span of 59 ft (18 m) and a deck 60 ft wide.

Who owns So 48th Avenue over Wide Hollow Creek?

It is owned by the City or Municipal Highway Agency.