US Bridges

Allen Rd. E. over Black Creek

Good

Yakima County, Washington · 00.23 E Ray Road · Structure no. 084523000000000

Built
1958
67 years old
Condition
Good
inspected November 2022
Type
Channel Beam
Concrete
Length
26 ft
1 main span
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Allen Rd. E. over Black Creek is a concrete channel beam carrying Allen Rd. E. over Black Creek in Yakima County, Washington. It was built in 1958, so it is 67 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.

It carries about 290 vehicles a day, roughly 5% of them trucks, projected to reach 325 by 2040. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAllen Rd. E.
CrossesBlack Creek
Location00.23 E Ray Road
RouteCounty Highway 61920
Coordinates46.30833, -119.95167
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic325 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Allen Rd. E. over Black Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Allen Rd. E. over Black 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 November 2022.

How much traffic does Allen Rd. E. over Black Creek carry?

About 290 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Allen Rd. E. over Black Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Allen Rd. E. over Black Creek?

It is owned by the County Highway Agency.