US Bridges

I-96 WB over I-96BL Ramps

Fair

Ingham County, Michigan · In Lansing (I96 Bl Ramps) · Structure no. 000000000003809

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
4 main spans
Daily traffic
19,427
2014 count
Owner
State
State Highway Agency

About this bridge

I-96 WB over I-96BL Ramps is a steel stringer/multi-beam or girder carrying I-96 WB over I-96BL Ramps in Ingham 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 19,427 vehicles a day, roughly 13% of them trucks, projected to reach 22,341 by 2034. The structure is 146 ft (44.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-96 WB
CrossesI-96BL Ramps
LocationIn Lansing (I96 Bl Ramps)
RouteInterstate 96
CountyIngham County
StateMichigan
Coordinates42.66196, -84.53261
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span38 ft (11.7 m)
Deck width44 ft (13.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,427 (2014)
Projected traffic22,341 by 2034
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-96 WB over I-96BL Ramps built?

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

What condition is I-96 WB over I-96BL Ramps 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 August 2024.

How much traffic does I-96 WB over I-96BL Ramps carry?

About 19,427 vehicles per day (2014 count), of which roughly 13% are trucks.

How long is I-96 WB over I-96BL Ramps?

The structure is 146 ft (44.5 m) long with a longest span of 38 ft (11.7 m) and a deck 44 ft wide.

Who owns I-96 WB over I-96BL Ramps?

It is owned by the State Highway Agency.