US Bridges

Co.Rd. Fa. #1108 over Malad River

Fair

Box Elder County, Utah · 6400 N. 6400 W. · Structure no. 003050D

Built
1951
74 years old
Condition
Fair
inspected November 2023
Type
Frame
Concrete
Length
45 ft
1 main span
Daily traffic
373
2023 count
Owner
County
County Highway Agency

About this bridge

Co.Rd. Fa. #1108 over Malad River is a concrete frame carrying Co.Rd. Fa. #1108 over Malad River in Box Elder County, Utah. It was built in 1951, so it is 74 years old, older 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 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 373 vehicles a day, roughly 1% of them trucks, projected to reach 448 by 2043. The structure is 45 ft (13.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCo.Rd. Fa. #1108
CrossesMalad River
Location6400 N. 6400 W.
RouteCounty Highway 1108
CountyBox Elder County
StateUtah
Coordinates41.62348, -112.16722
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating27.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.6 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic373 (2023)
Projected traffic448 by 2043
Trucks1%
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 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. Fa. #1108 over Malad River built?

It was built in 1951, making it 74 years old in 2025.

What condition is Co.Rd. Fa. #1108 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 Co.Rd. Fa. #1108 over Malad River carry?

About 373 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Co.Rd. Fa. #1108 over Malad River?

The structure is 45 ft (13.6 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Co.Rd. Fa. #1108 over Malad River?

It is owned by the County Highway Agency.