US Bridges

I-496 E to Pennsyl over Hosmer Street

Fair

Ingham County, Michigan · In Lansing · Structure no. 000000000003768

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
3 main spans
Daily traffic
4,500
1988 count
Owner
State
State Highway Agency

About this bridge

I-496 E to Pennsyl over Hosmer Street is a steel stringer/multi-beam or girder carrying I-496 E to Pennsyl over Hosmer Street in Ingham County, Michigan. It was built in 1970, so it is 55 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 4,500 vehicles a day, roughly 8% of them trucks, projected to reach 3,660 by 1977. The structure is 174 ft (53 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-496 E to Pennsyl
CrossesHosmer Street
LocationIn Lansing
RouteInterstate 496
Coordinates42.72534, -84.54117
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length174 ft (53 m)
Longest span78 ft (23.9 m)
Deck width49 ft (15 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (1988)
Projected traffic3,660 by 1977
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 E to Pennsyl over Hosmer Street built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-496 E to Pennsyl over Hosmer Street 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 2023.

How much traffic does I-496 E to Pennsyl over Hosmer Street carry?

About 4,500 vehicles per day (1988 count), of which roughly 8% are trucks.

How long is I-496 E to Pennsyl over Hosmer Street?

The structure is 174 ft (53 m) long with a longest span of 78 ft (23.9 m) and a deck 49 ft wide.

Who owns I-496 E to Pennsyl over Hosmer Street?

It is owned by the State Highway Agency.