US Bridges

I-496WB & US-127NB over I-96 EB

Fair

Ingham County, Michigan · I-96 & I-496/US127 Intrch · Structure no. 000000000003824

Built
1963
62 years old, rebuilt 1997
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
20,400
2020 count
Owner
State
State Highway Agency

About this bridge

I-496WB & US-127NB over I-96 EB is a prestressed concrete box beam or girders - single or spread carrying I-496WB & US-127NB over I-96 EB in Ingham County, Michigan. It was built in 1963 and reconstructed in 1997, 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 6 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 20,400 vehicles a day, roughly 8% of them trucks, projected to reach 22,538 by 2040. The structure is 141 ft (43 m) long and 48 ft wide.

CarriesI-496WB & US-127NB
CrossesI-96 EB
LocationI-96 & I-496/US127 Intrch
RouteInterstate 496
Coordinates42.6749, -84.49513
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length141 ft (43 m)
Longest span68 ft (20.6 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,400 (2020)
Projected traffic22,538 by 2040
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-496WB & US-127NB over I-96 EB built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1997.

What condition is I-496WB & US-127NB over 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 September 2024.

How much traffic does I-496WB & US-127NB over I-96 EB carry?

About 20,400 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is I-496WB & US-127NB over I-96 EB?

The structure is 141 ft (43 m) long with a longest span of 68 ft (20.6 m) and a deck 48 ft wide.

Who owns I-496WB & US-127NB over I-96 EB?

It is owned by the State Highway Agency.