US Bridges

I-496 WB over I-496 EB Ramp to I-96 EB

Fair

Ingham County, Michigan · SE Lts of Lansing (ramp C · Structure no. 000000000003783

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
234 ft
3 main spans
Daily traffic
35,682
2015 count
Owner
State
State Highway Agency

About this bridge

I-496 WB over I-496 EB Ramp to I-96 EB is a steel stringer/multi-beam or girder carrying I-496 WB over I-496 EB Ramp to I-96 EB in Ingham County, Michigan. It was built in 1963, so it is 62 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 35,682 vehicles a day, roughly 5% of them trucks, projected to reach 41,134 by 2035. The structure is 234 ft (71.3 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-496 WB
CrossesI-496 EB Ramp to I-96 EB
LocationSE Lts of Lansing (ramp C
RouteInterstate 496
CountyIngham County
StateMichigan
Coordinates42.67873, -84.49735
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 inspectionFebruary 2025
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 rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length234 ft (71.3 m)
Longest span99 ft (30.2 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,682 (2015)
Projected traffic41,134 by 2035
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-496 WB over I-496 EB Ramp to I-96 EB built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-496 WB over I-496 EB Ramp to I-96 EB 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 February 2025.

How much traffic does I-496 WB over I-496 EB Ramp to I-96 EB carry?

About 35,682 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is I-496 WB over I-496 EB Ramp to I-96 EB?

The structure is 234 ft (71.3 m) long with a longest span of 99 ft (30.2 m) and a deck 43 ft wide.

Who owns I-496 WB over I-496 EB Ramp to I-96 EB?

It is owned by the State Highway Agency.