US Bridges

M-60 over N Br Kalamazoo River

Fair

Jackson County, Michigan · In Concord · Structure no. 000000000004390

Built
1932
93 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
4,322
2007 count
Owner
State
State Highway Agency

About this bridge

M-60 over N Br Kalamazoo River is a concrete tee beam carrying M-60 over N Br Kalamazoo River in Jackson County, Michigan. It was built in 1932, so it is 93 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 4,322 vehicles a day, roughly 27% of them trucks, projected to reach 5,245 by 2018. The structure is 31 ft (9.4 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-60
CrossesN Br Kalamazoo River
LocationIn Concord
RouteState Highway 60
CountyJackson County
StateMichigan
Coordinates42.17973, -84.64938
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width77 ft (23.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,322 (2007)
Projected traffic5,245 by 2018
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-60 over N Br Kalamazoo River built?

It was built in 1932, making it 93 years old in 2025.

What condition is M-60 over N Br Kalamazoo 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 April 2023.

How much traffic does M-60 over N Br Kalamazoo River carry?

About 4,322 vehicles per day (2007 count), of which roughly 27% are trucks.

How long is M-60 over N Br Kalamazoo River?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 77 ft wide.

Who owns M-60 over N Br Kalamazoo River?

It is owned by the State Highway Agency.