US Bridges

Main Street over N Br Kalamazoo River

Fair

Jackson County, Michigan · In Concord 200FT So M60 · Structure no. 000000000004533

Built
1925
100 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
4,190
2002 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over N Br Kalamazoo River is a concrete culvert carrying Main Street over N Br Kalamazoo River in Jackson County, Michigan. It was built in 1925, so it is 100 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 4,190 vehicles a day, roughly 15% of them trucks, projected to reach 5,000 by 2011. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMain Street
CrossesN Br Kalamazoo River
LocationIn Concord 200FT So M60
RouteCity Street 3809
CountyJackson County
StateMichigan
Coordinates42.18036, -84.64623
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: 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 rating36 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length27 ft (8.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,190 (2002)
Projected traffic5,000 by 2011
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$40,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Street over N Br Kalamazoo River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Main Street 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 June 2023.

How much traffic does Main Street over N Br Kalamazoo River carry?

About 4,190 vehicles per day (2002 count), of which roughly 15% are trucks.

How long is Main Street over N Br Kalamazoo River?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Main Street over N Br Kalamazoo River?

It is owned by the City or Municipal Highway Agency.