US Bridges

I-96 EB over S Br Shiawassee River

Fair

Livingston County, Michigan · 1.5 MI SE of M-59 · Structure no. 000000000005771

Built
1962
63 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
22,592
2007 count
Owner
State
State Highway Agency

About this bridge

I-96 EB over S Br Shiawassee River is a prestressed concrete stringer/multi-beam or girder carrying I-96 EB over S Br Shiawassee River in Livingston County, Michigan. It was built in 1962, 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 22,592 vehicles a day, roughly 11% of them trucks, projected to reach 27,509 by 2018. The structure is 40 ft (12.2 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-96 EB
CrossesS Br Shiawassee River
Location1.5 MI SE of M-59
RouteInterstate 96
CountyLivingston County
StateMichigan
Coordinates42.60692, -83.96606
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width65 ft (19.8 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,592 (2007)
Projected traffic27,509 by 2018
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-96 EB over S Br Shiawassee River built?

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

What condition is I-96 EB over S Br Shiawassee River 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 April 2023.

How much traffic does I-96 EB over S Br Shiawassee River carry?

About 22,592 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is I-96 EB over S Br Shiawassee River?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 65 ft wide.

Who owns I-96 EB over S Br Shiawassee River?

It is owned by the State Highway Agency.