US Bridges

Terrace Hts Drive over Roza Canal

Good

Yakima County, Washington · 00.09 W Hillcrest · Structure no. 082869000000000

Built
1972
53 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
3,363
2021 count
Owner
County
County Highway Agency

About this bridge

Terrace Hts Drive over Roza Canal is a prestressed concrete stringer/multi-beam or girder carrying Terrace Hts Drive over Roza Canal in Yakima County, Washington. It was built in 1972, so it is 53 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 3,363 vehicles a day, roughly 5% of them trucks, projected to reach 4,000 by 2043. The structure is 81 ft (24.7 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTerrace Hts Drive
CrossesRoza Canal
Location00.09 W Hillcrest
RouteCounty Highway 40500
Coordinates46.60472, -120.43611
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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating11.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span80 ft (24.4 m)
Deck width48 ft (14.7 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,363 (2021)
Projected traffic4,000 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$3.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Terrace Hts Drive over Roza Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Terrace Hts Drive 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 February 2023.

How much traffic does Terrace Hts Drive over Roza Canal carry?

About 3,363 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Terrace Hts Drive over Roza Canal?

The structure is 81 ft (24.7 m) long with a longest span of 80 ft (24.4 m) and a deck 48 ft wide.

Who owns Terrace Hts Drive over Roza Canal?

It is owned by the County Highway Agency.