US Bridges

I-96 WB over M-43

Fair

Eaton County, Michigan · @ M-43 · Structure no. 000000000002324

Built
1962
63 years old, rebuilt 2010
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
161 ft
3 main spans
Daily traffic
31,250
2007 count
Owner
State
State Highway Agency

About this bridge

I-96 WB over M-43 is a steel stringer/multi-beam or girder carrying I-96 WB over M-43 in Eaton County, Michigan. It was built in 1962 and reconstructed in 2010, so it is 63 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 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 31,250 vehicles a day, projected to reach 33,250 by 2031. The structure is 161 ft (49 m) long and 75 ft wide.

Location

Open in Google Maps
CarriesI-96 WB
CrossesM-43
Location@ M-43
RouteInterstate 96
CountyEaton County
StateMichigan
Coordinates42.74106, -84.66797
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2023
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length161 ft (49 m)
Longest span91 ft (27.6 m)
Deck width75 ft (23 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,250 (2007)
Projected traffic33,250 by 2031
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-96 WB over M-43 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2010.

What condition is I-96 WB over M-43 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 July 2023.

How much traffic does I-96 WB over M-43 carry?

About 31,250 vehicles per day (2007 count).

How long is I-96 WB over M-43?

The structure is 161 ft (49 m) long with a longest span of 91 ft (27.6 m) and a deck 75 ft wide.

Who owns I-96 WB over M-43?

It is owned by the State Highway Agency.