US Bridges

M-96 over Mill Race

Fair

Kalamazoo County, Michigan · In Augusta (e&w Mich Ave) · Structure no. 000000000004598

Built
2010
15 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
10,600
2010 count
Owner
State
State Highway Agency

About this bridge

M-96 over Mill Race is a prestressed concrete box beam or girders - multiple carrying M-96 over Mill Race in Kalamazoo County, Michigan. It was built in 2010, so it is 15 years old, younger 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 10,600 vehicles a day, roughly 4% of them trucks, projected to reach 14,200 by 2030. The structure is 35 ft (10.7 m) long and 54 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesM-96
CrossesMill Race
LocationIn Augusta (e&w Mich Ave)
RouteState Highway 96
Coordinates42.33536, -85.35067
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating63.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length35 ft (10.7 m)
Longest span34 ft (10.3 m)
Deck width54 ft (16.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2010)
Projected traffic14,200 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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-96 over Mill Race built?

It was built in 2010, making it 15 years old in 2025.

What condition is M-96 over Mill Race 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 October 2024.

How much traffic does M-96 over Mill Race carry?

About 10,600 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is M-96 over Mill Race?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.3 m) and a deck 54 ft wide.

Who owns M-96 over Mill Race?

It is owned by the State Highway Agency.