US Bridges

South 12th Avenue over Wide Hollow Creek

Good

Yakima County, Washington · 00.11 S of Whatcom · Structure no. 088692000000000

Built
2014
11 years old
Condition
Good
inspected January 2023
Type
Channel Beam
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
70
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

South 12th Avenue over Wide Hollow Creek is a prestressed concrete channel beam carrying South 12th Avenue over Wide Hollow Creek in Yakima County, Washington. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2043. The structure is 49 ft (14.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth 12th Avenue
CrossesWide Hollow Creek
Location00.11 S of Whatcom
RouteCity Street 36050
Coordinates46.56833, -120.52333
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating42.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width53 ft (16.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic100 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South 12th Avenue over Wide Hollow Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is South 12th 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 South 12th Avenue over Wide Hollow Creek carry?

About 70 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is South 12th Avenue over Wide Hollow Creek?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 53 ft wide.

Who owns South 12th Avenue over Wide Hollow Creek?

It is owned by the City or Municipal Highway Agency.