US Bridges

1500 N. County Rd. over Wilson Canal

Fair

Millard County, Utah · 4450 W.1500 N. Delta Area · Structure no. 027022F

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
350
2014 count
Owner
County
County Highway Agency

About this bridge

1500 N. County Rd. over Wilson Canal is a prestressed concrete tee beam carrying 1500 N. County Rd. over Wilson Canal in Millard County, Utah. It was built in 1973, so it is 52 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 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 350 vehicles a day, roughly 4% of them trucks, projected to reach 425 by 2034. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries1500 N. County Rd.
CrossesWilson Canal
Location4450 W.1500 N. Delta Area
RouteCounty Highway 1944
CountyMillard County
StateUtah
Coordinates39.37461, -112.66034
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating53.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2014)
Projected traffic425 by 2034
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1500 N. County Rd. over Wilson Canal built?

It was built in 1973, making it 52 years old in 2025.

What condition is 1500 N. County Rd. over Wilson 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 March 2024.

How much traffic does 1500 N. County Rd. over Wilson Canal carry?

About 350 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is 1500 N. County Rd. over Wilson Canal?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.2 m) and a deck 30 ft wide.

Who owns 1500 N. County Rd. over Wilson Canal?

It is owned by the County Highway Agency.