US Bridges

I-496 WB over Jolly RD

Fair

Ingham County, Michigan · 1.6MI S of Lansing (jolly · Structure no. 000000000003782

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
3 main spans
Daily traffic
41,388
2019 count
Owner
State
State Highway Agency

About this bridge

I-496 WB over Jolly RD is a steel stringer/multi-beam or girder carrying I-496 WB over Jolly RD 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 41,388 vehicles a day, roughly 5% of them trucks, projected to reach 46,768 by 2039. The structure is 154 ft (47 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-496 WB
CrossesJolly RD
Location1.6MI S of Lansing (jolly
RouteInterstate 496
CountyIngham County
StateMichigan
Coordinates42.68287, -84.50045
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 6 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length154 ft (47 m)
Longest span73 ft (22.3 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,388 (2019)
Projected traffic46,768 by 2039
Trucks5%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$62,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-496 WB over Jolly RD built?

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

What condition is I-496 WB over Jolly RD 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 Jolly RD carry?

About 41,388 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is I-496 WB over Jolly RD?

The structure is 154 ft (47 m) long with a longest span of 73 ft (22.3 m) and a deck 49 ft wide.

Who owns I-496 WB over Jolly RD?

It is owned by the State Highway Agency.