US Bridges

I-96 WB over Grand Riv & Billwood HWY

Fair

Eaton County, Michigan · 2.1 MI W of Ingham CO Lin · Structure no. 000000000002311

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
3 main spans
Daily traffic
21,057
2007 count
Owner
State
State Highway Agency

About this bridge

I-96 WB over Grand Riv & Billwood HWY is a steel stringer/multi-beam or girder carrying I-96 WB over Grand Riv & Billwood HWY in Eaton 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 21,057 vehicles a day, roughly 16% of them trucks, projected to reach 24,047 by 2018. The structure is 302 ft (91.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-96 WB
CrossesGrand Riv & Billwood HWY
Location2.1 MI W of Ingham CO Lin
RouteInterstate 96
CountyEaton County
StateMichigan
Coordinates42.67034, -84.64455
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length302 ft (91.9 m)
Longest span110 ft (33.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,057 (2007)
Projected traffic24,047 by 2018
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 WB over Grand Riv & Billwood HWY built?

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

What condition is I-96 WB over Grand Riv & Billwood HWY 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 Grand Riv & Billwood HWY carry?

About 21,057 vehicles per day (2007 count), of which roughly 16% are trucks.

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

The structure is 302 ft (91.9 m) long with a longest span of 110 ft (33.5 m) and a deck 35 ft wide.

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

It is owned by the State Highway Agency.