US Bridges

I-496 EB over Mount Hope Ave

Fair

Ingham County, Michigan · SE Lts of Lansing (mt Hop · Structure no. 000000000003778

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
28,330
2007 count
Owner
State
State Highway Agency

About this bridge

I-496 EB over Mount Hope Ave is a prestressed concrete stringer/multi-beam or girder carrying I-496 EB over Mount Hope Ave 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 28,330 vehicles a day, roughly 9% of them trucks, projected to reach 34,953 by 2018. The structure is 133 ft (40.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-496 EB
CrossesMount Hope Ave
LocationSE Lts of Lansing (mt Hop
RouteInterstate 496
CountyIngham County
StateMichigan
Coordinates42.71186, -84.50561
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 inspectionOctober 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.6 m)
Longest span67 ft (20.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,330 (2007)
Projected traffic34,953 by 2018
Trucks9%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-496 EB over Mount Hope Ave built?

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

What condition is I-496 EB over Mount Hope Ave 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 October 2023.

How much traffic does I-496 EB over Mount Hope Ave carry?

About 28,330 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is I-496 EB over Mount Hope Ave?

The structure is 133 ft (40.6 m) long with a longest span of 67 ft (20.3 m) and a deck 43 ft wide.

Who owns I-496 EB over Mount Hope Ave?

It is owned by the State Highway Agency.