US Bridges

M-82 over US-131 SB & M-46 SB

Fair

Montcalm County, Michigan · @ M-82 · Structure no. 000000000007425

Built
1971
54 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
184 ft
3 main spans
Daily traffic
3,800
2014 count
Owner
State
State Highway Agency

About this bridge

M-82 over US-131 SB & M-46 SB is a steel stringer/multi-beam or girder carrying M-82 over US-131 SB & M-46 SB in Montcalm County, Michigan. It was built in 1971, so it is 54 years old, older than the Michigan average of 48.3 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 3,800 vehicles a day, roughly 13% of them trucks, projected to reach 4,370 by 2034. The structure is 184 ft (56.1 m) long and 60 ft wide.

Location

Open in Google Maps
CarriesM-82
CrossesUS-131 SB & M-46 SB
Location@ M-82
RouteState Highway 82
CountyMontcalm County
StateMichigan
Coordinates43.39585, -85.51497
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.3 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length184 ft (56.1 m)
Longest span99 ft (30.2 m)
Deck width60 ft (18.2 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2014)
Projected traffic4,370 by 2034
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 M-82 over US-131 SB & M-46 SB built?

It was built in 1971, making it 54 years old in 2025.

What condition is M-82 over US-131 SB & M-46 SB 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 M-82 over US-131 SB & M-46 SB carry?

About 3,800 vehicles per day (2014 count), of which roughly 13% are trucks.

How long is M-82 over US-131 SB & M-46 SB?

The structure is 184 ft (56.1 m) long with a longest span of 99 ft (30.2 m) and a deck 60 ft wide.

Who owns M-82 over US-131 SB & M-46 SB?

It is owned by the State Highway Agency.