US Bridges

North N3 Lane over Little River

Good

Menominee County, Michigan · .5 MI Se. Carbondale · Structure no. 000000000006864

Built
2022
3 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
40 ft
1 main span
Daily traffic
75
2021 count
Owner
County
County Highway Agency

About this bridge

North N3 Lane over Little River is a concrete culvert carrying North N3 Lane over Little River in Menominee County, Michigan. It was built in 2022, so it is 3 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, projected to reach 92 by 2041. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 124.9 mi (201 km).

CarriesNorth N3 Lane
CrossesLittle River
Location.5 MI Se. Carbondale
RouteCounty Highway 0
Coordinates45.272, -87.60439
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating65.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length40 ft (12.1 m)
Longest span37 ft (11.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic92 by 2041
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.9 mi (201 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was North N3 Lane over Little River built?

It was built in 2022, making it 3 years old in 2025.

What condition is North N3 Lane over Little River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does North N3 Lane over Little River carry?

About 75 vehicles per day (2021 count).

How long is North N3 Lane over Little River?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.2 m).

Who owns North N3 Lane over Little River?

It is owned by the County Highway Agency.