US Bridges

26th Street over Kalamazoo River

Good

Allegan County, Michigan · Approx 0.25 N of 108th Av · Structure no. 000000000000199

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
209 ft
4 main spans
Daily traffic
1,978
2010 count
Owner
County
County Highway Agency

About this bridge

26th Street over Kalamazoo River is a prestressed concrete stringer/multi-beam or girder carrying 26th Street over Kalamazoo River in Allegan County, Michigan. It was built in 1975, so it is 50 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 1,978 vehicles a day, roughly 7% of them trucks, projected to reach 3,572 by 2030. The structure is 209 ft (63.7 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries26th Street
CrossesKalamazoo River
LocationApprox 0.25 N of 108th Av
RouteCounty Highway 361
Coordinates42.48238, -85.79857
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length209 ft (63.7 m)
Longest span52 ft (15.8 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,978 (2010)
Projected traffic3,572 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 26th Street over Kalamazoo River built?

It was built in 1975, making it 50 years old in 2025.

What condition is 26th Street over Kalamazoo 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 September 2023.

How much traffic does 26th Street over Kalamazoo River carry?

About 1,978 vehicles per day (2010 count), of which roughly 7% are trucks.

How long is 26th Street over Kalamazoo River?

The structure is 209 ft (63.7 m) long with a longest span of 52 ft (15.8 m) and a deck 37 ft wide.

Who owns 26th Street over Kalamazoo River?

It is owned by the County Highway Agency.