US Bridges

County Road over Malad River

Fair

Box Elder County, Utah · 1 Mile East of Washakie · Structure no. 003002F

Built
1991
34 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
100
2013 count
Owner
County
County Highway Agency

About this bridge

County Road over Malad River is a prestressed concrete tee beam carrying County Road over Malad River in Box Elder County, Utah. It was built in 1991, so it is 34 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 125 by 2033. The structure is 55 ft (16.8 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road
CrossesMalad River
Location1 Mile East of Washakie
RouteCounty Highway 1144
StateUtah
Coordinates41.94401, -112.19712
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span51 ft (15.5 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic125 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Malad River built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road over Malad River 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 November 2023.

How much traffic does County Road over Malad River carry?

About 100 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is County Road over Malad River?

The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 25 ft wide.

Who owns County Road over Malad River?

It is owned by the County Highway Agency.