US Bridges

100 W. St. Logan over Benson Canal

Fair

Cache County, Utah · 150 S. 100 W. Logan · Structure no. 005019D

Built
1950
75 years old, rebuilt 1994
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,890
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

100 W. St. Logan over Benson Canal is a concrete culvert carrying 100 W. St. Logan over Benson Canal in Cache County, Utah. It was built in 1950 and reconstructed in 1994, 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 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 1,890 vehicles a day, roughly 1% of them trucks, projected to reach 2,296 by 2034. The structure is 26 ft (7.9 m) long and 101 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries100 W. St. Logan
CrossesBenson Canal
Location150 S. 100 W. Logan
RouteCity Street 1220
CountyCache County
StateUtah
Coordinates41.72869, -111.83766
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width101 ft (30.8 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,890 (2014)
Projected traffic2,296 by 2034
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 100 W. St. Logan over Benson Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1994.

What condition is 100 W. St. Logan over Benson 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 May 2024.

How much traffic does 100 W. St. Logan over Benson Canal carry?

About 1,890 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is 100 W. St. Logan over Benson Canal?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 101 ft wide.

Who owns 100 W. St. Logan over Benson Canal?

It is owned by the City or Municipal Highway Agency.