US Bridges

Mcdonald Road over Roza Canal

Fair

Benton County, Washington · 0.5 N Hanks Road · Structure no. 080740000000000

Built
1981
44 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
103
2016 count
Owner
County
County Highway Agency

About this bridge

Mcdonald Road over Roza Canal is a prestressed concrete stringer/multi-beam or girder carrying Mcdonald Road over Roza Canal in Benton County, Washington. It was built in 1981, so it is 44 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 103 vehicles a day, roughly 72% of them trucks, projected to reach 200 by 2038. The structure is 44 ft (13.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMcdonald Road
CrossesRoza Canal
Location0.5 N Hanks Road
RouteCounty Highway 24210
Coordinates46.2776, -119.72529
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2016)
Projected traffic200 by 2038
Trucks72%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcdonald Road over Roza Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Mcdonald Road over Roza Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Mcdonald Road over Roza Canal carry?

About 103 vehicles per day (2016 count), of which roughly 72% are trucks.

How long is Mcdonald Road over Roza Canal?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns Mcdonald Road over Roza Canal?

It is owned by the County Highway Agency.