US Bridges

Deeringhoff Road over Roza Canal

GoodPosted for load

Yakima County, Washington · 00.32 W of Beane RD · Structure no. 080143000000000

Built
1934
91 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
510
2021 count
Owner
County
County Highway Agency

About this bridge

Deeringhoff Road over Roza Canal is a steel stringer/multi-beam or girder carrying Deeringhoff Road over Roza Canal in Yakima County, Washington. It was built in 1934, so it is 91 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. Its operating status is: posted for load restriction.

It carries about 510 vehicles a day, roughly 5% of them trucks, projected to reach 610 by 2041. The structure is 73 ft (22.3 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDeeringhoff Road
CrossesRoza Canal
Location00.32 W of Beane RD
RouteCounty Highway 41500
Coordinates46.54943, -120.32006
Functional classRural Minor 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 inspectionMarch 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.6 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span66 ft (20.1 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2021)
Projected traffic610 by 2041
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Deeringhoff Road over Roza Canal built?

It was built in 1934, making it 91 years old in 2025.

What condition is Deeringhoff Road over Roza Canal 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 Deeringhoff Road over Roza Canal carry?

About 510 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Deeringhoff Road over Roza Canal?

The structure is 73 ft (22.3 m) long with a longest span of 66 ft (20.1 m) and a deck 21 ft wide.

Who owns Deeringhoff Road over Roza Canal?

It is owned by the County Highway Agency.