US Bridges

M-50 over I-96

Fair

Kent County, Michigan · @ M-50 · Structure no. 000000000004721

Built
2014
11 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
198 ft
2 main spans
Daily traffic
11,100
2012 count
Owner
State
State Highway Agency

About this bridge

M-50 over I-96 is a prestressed concrete box beam or girders - single or spread carrying M-50 over I-96 in Kent County, Michigan. It was built in 2014, so it is 11 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 5 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 11,100 vehicles a day, roughly 6% of them trucks, projected to reach 13,100 by 2034. The structure is 198 ft (60.4 m) long and 71 ft wide.

Location

Open in Google Maps
CarriesM-50
CrossesI-96
Location@ M-50
RouteState Highway 50
CountyKent County
StateMichigan
Coordinates42.87859, -85.37097
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating46.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length198 ft (60.4 m)
Longest span71 ft (21.6 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,100 (2012)
Projected traffic13,100 by 2034
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-50 over I-96 built?

It was built in 2014, making it 11 years old in 2025.

What condition is M-50 over I-96 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 November 2024.

How much traffic does M-50 over I-96 carry?

About 11,100 vehicles per day (2012 count), of which roughly 6% are trucks.

How long is M-50 over I-96?

The structure is 198 ft (60.4 m) long with a longest span of 71 ft (21.6 m) and a deck 71 ft wide.

Who owns M-50 over I-96?

It is owned by the State Highway Agency.