US Bridges

100 East Street over Logan River

Fair

Cache County, Utah · 500 S.100 E. Logan · Structure no. 005009F

Built
2007
18 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
3,000
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

100 East Street over Logan River is a prestressed concrete stringer/multi-beam or girder carrying 100 East Street over Logan River in Cache County, Utah. It was built in 2007, so it is 18 years old, younger 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 3,000 vehicles a day, roughly 1% of them trucks, projected to reach 3,500 by 2034. The structure is 86 ft (26.2 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries100 East Street
CrossesLogan River
Location500 S.100 E. Logan
RouteCity Street 1223
StateUtah
Coordinates41.72259, -111.83267
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length86 ft (26.2 m)
Longest span85 ft (25.8 m)
Deck width74 ft (22.5 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2014)
Projected traffic3,500 by 2034
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 East Street over Logan River built?

It was built in 2007, making it 18 years old in 2025.

What condition is 100 East Street over Logan 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 May 2024.

How much traffic does 100 East Street over Logan River carry?

About 3,000 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is 100 East Street over Logan River?

The structure is 86 ft (26.2 m) long with a longest span of 85 ft (25.8 m) and a deck 74 ft wide.

Who owns 100 East Street over Logan River?

It is owned by the City or Municipal Highway Agency.