US Bridges

25 1/2 MI Road over S Br Kalamazoo River

Good

Calhoun County, Michigan · Homer Twp Sec 5 · Structure no. 000000000001334

Built
2018
7 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
981
2018 count
Owner
County
County Highway Agency

About this bridge

25 1/2 MI Road over S Br Kalamazoo River is a prestressed concrete stringer/multi-beam or girder carrying 25 1/2 MI Road over S Br Kalamazoo River in Calhoun County, Michigan. It was built in 2018, so it is 7 years old, younger 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 981 vehicles a day, roughly 12% of them trucks, projected to reach 1,197 by 2038. The structure is 112 ft (34 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries25 1/2 MI Road
CrossesS Br Kalamazoo River
LocationHomer Twp Sec 5
RouteCounty Highway 1381
Coordinates42.14922, -84.80466
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 20 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating79.3 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length112 ft (34 m)
Longest span107 ft (32.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic981 (2018)
Projected traffic1,197 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$195,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 25 1/2 MI Road over S Br Kalamazoo River built?

It was built in 2018, making it 7 years old in 2025.

What condition is 25 1/2 MI Road over S Br 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 January 2025.

How much traffic does 25 1/2 MI Road over S Br Kalamazoo River carry?

About 981 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is 25 1/2 MI Road over S Br Kalamazoo River?

The structure is 112 ft (34 m) long with a longest span of 107 ft (32.6 m) and a deck 35 ft wide.

Who owns 25 1/2 MI Road over S Br Kalamazoo River?

It is owned by the County Highway Agency.