US Bridges

SR-23 over West Cache Canal

Fair

Cache County, Utah · 5 Miles N. of Trenton · Structure no. 0D 681

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
1,403
2017 count
Owner
State
State Highway Agency

About this bridge

SR-23 over West Cache Canal is a concrete frame carrying SR-23 over West Cache Canal in Cache County, Utah. It was built in 1960, so it is 65 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 1,403 vehicles a day, roughly 25% of them trucks, projected to reach 1,684 by 2037. The structure is 23 ft (6.9 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR-23
CrossesWest Cache Canal
Location5 Miles N. of Trenton
RouteState Highway 23
StateUtah
Coordinates41.98611, -111.95472
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,403 (2017)
Projected traffic1,684 by 2037
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-23 over West Cache Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR-23 over West Cache 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 July 2023.

How much traffic does SR-23 over West Cache Canal carry?

About 1,403 vehicles per day (2017 count), of which roughly 25% are trucks.

How long is SR-23 over West Cache Canal?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m) and a deck 41 ft wide.

Who owns SR-23 over West Cache Canal?

It is owned by the State Highway Agency.