US Bridges

15600 N.St. Co.Rd. over West Canal

PoorPosted for load

Box Elder County, Utah · 5800 W. 15600 N. Garland · Structure no. 003017C

Built
1950
75 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
189
2013 count
Owner
County
County Highway Agency

About this bridge

15600 N.St. Co.Rd. over West Canal is a steel stringer/multi-beam or girder carrying 15600 N.St. Co.Rd. over West Canal in Box Elder County, Utah. It was built in 1950, so it is 75 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 189 vehicles a day, roughly 2% of them trucks, projected to reach 230 by 2033. The structure is 34 ft (10.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries15600 N.St. Co.Rd.
CrossesWest Canal
Location5800 W. 15600 N. Garland
RouteCounty Highway 0
StateUtah
Coordinates41.79217, -112.16031
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10.7 US tons
Inventory rating7.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.5 m)
Longest span32 ft (9.9 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189 (2013)
Projected traffic230 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 15600 N.St. Co.Rd. over West Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is 15600 N.St. Co.Rd. over West Canal 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 15600 N.St. Co.Rd. over West Canal carry?

About 189 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is 15600 N.St. Co.Rd. over West Canal?

The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.9 m) and a deck 25 ft wide.

Who owns 15600 N.St. Co.Rd. over West Canal?

It is owned by the County Highway Agency.