US Bridges

33rd St. N. over Roza Canal

Good

Yakima County, Washington · 00.16 No Butterfld · Structure no. 081983000000000

Built
1979
46 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

33rd St. N. over Roza Canal is a prestressed concrete stringer/multi-beam or girder carrying 33rd St. N. over Roza Canal in Yakima County, Washington. It was built in 1979, so it is 46 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2039. The structure is 92 ft (28 m) long and 44 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries33rd St. N.
CrossesRoza Canal
Location00.16 No Butterfld
RouteCounty Highway 45610
Coordinates46.61611, -120.45603
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
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 statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.4 US tons
Inventory rating8.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span89 ft (27.1 m)
Deck width44 ft (13.5 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic50 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$3.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 33rd St. N. over Roza Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is 33rd St. N. 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 33rd St. N. over Roza Canal carry?

About 25 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 33rd St. N. over Roza Canal?

The structure is 92 ft (28 m) long with a longest span of 89 ft (27.1 m) and a deck 44 ft wide.

Who owns 33rd St. N. over Roza Canal?

It is owned by the County Highway Agency.