US Bridges

US-41 over Little River

Good

Menominee County, Michigan · 3.0 MI S of Carbondale · Structure no. 000000000006788

Built
1929
96 years old, rebuilt 1994
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
4,528
2007 count
Owner
State
State Highway Agency

About this bridge

US-41 over Little River is a prestressed concrete box beam or girders - single or spread carrying US-41 over Little River in Menominee County, Michigan. It was built in 1929 and reconstructed in 1994, so it is 96 years old, older 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 4,528 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2028. The structure is 35 ft (10.7 m) long and 41 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUS-41
CrossesLittle River
Location3.0 MI S of Carbondale
RouteU.S. Route 41
Coordinates45.23336, -87.61282
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span32 ft (9.9 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,528 (2007)
Projected traffic8,000 by 2028
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-41 over Little River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1994.

What condition is US-41 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 July 2023.

How much traffic does US-41 over Little River carry?

About 4,528 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is US-41 over Little River?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.9 m) and a deck 41 ft wide.

Who owns US-41 over Little River?

It is owned by the State Highway Agency.