US Bridges

I-96 WB over Grand Riv & Billwood HWY

Good

Eaton County, Michigan · 2.1 MI W of Ingham CO Lin · Structure no. 000000000014561

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
366 ft
3 main spans
Daily traffic
47,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-96 WB over Grand Riv & Billwood HWY is a prestressed concrete stringer/multi-beam or girder carrying I-96 WB over Grand Riv & Billwood HWY in Eaton County, Michigan. It was built in 2023, so it is 2 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 47,900 vehicles a day, roughly 13% of them trucks, projected to reach 52,925 by 2043. The structure is 366 ft (111.6 m) long and 56 ft wide.

CarriesI-96 WB
CrossesGrand Riv & Billwood HWY
Location2.1 MI W of Ingham CO Lin
RouteInterstate 96
Coordinates42.6703, -84.645
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 19 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating69.7 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length366 ft (111.6 m)
Longest span122 ft (37.3 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,900 (2023)
Projected traffic52,925 by 2043
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-96 WB over Grand Riv & Billwood HWY built?

It was built in 2023, making it 2 years old in 2025.

What condition is I-96 WB over Grand Riv & Billwood HWY 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 2024.

How much traffic does I-96 WB over Grand Riv & Billwood HWY carry?

About 47,900 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is I-96 WB over Grand Riv & Billwood HWY?

The structure is 366 ft (111.6 m) long with a longest span of 122 ft (37.3 m) and a deck 56 ft wide.

Who owns I-96 WB over Grand Riv & Billwood HWY?

It is owned by the State Highway Agency.