US Bridges

Co. Rd. 25800 No. over Malad River

PoorPosted for load

Box Elder County, Utah · 1 Mile East of Portage · Structure no. 003001F

Built
1930
95 years old, rebuilt 1978
Condition
Poor
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
110
2013 count
Owner
County
County Highway Agency

About this bridge

Co. Rd. 25800 No. over Malad River is a prestressed concrete tee beam carrying Co. Rd. 25800 No. over Malad River in Box Elder County, Utah. It was built in 1930 and reconstructed in 1978, so it is 95 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 1% of them trucks, projected to reach 134 by 2033. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCo. Rd. 25800 No.
CrossesMalad River
Location1 Mile East of Portage
RouteCounty Highway 1142
StateUtah
Coordinates41.97616, -112.21631
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2013)
Projected traffic134 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Co. Rd. 25800 No. over Malad River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1978.

What condition is Co. Rd. 25800 No. over Malad River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Co. Rd. 25800 No. over Malad River carry?

About 110 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Co. Rd. 25800 No. over Malad River?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.5 m) and a deck 30 ft wide.

Who owns Co. Rd. 25800 No. over Malad River?

It is owned by the County Highway Agency.