US Bridges

Grand Ave over I-496

Fair

Ingham County, Michigan · In Lansing · Structure no. 000000000003745

Built
1968
57 years old, rebuilt 2022
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
4 main spans
Daily traffic
17,200
1988 count
Owner
State
State Highway Agency

About this bridge

Grand Ave over I-496 is a steel stringer/multi-beam or girder carrying Grand Ave over I-496 in Ingham County, Michigan. It was built in 1968 and reconstructed in 2022, so it is 57 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 17,200 vehicles a day, roughly 3% of them trucks, projected to reach 16,000 by 2008. The structure is 190 ft (57.9 m) long and 44 ft wide.

CarriesGrand Ave
CrossesI-496
LocationIn Lansing
RouteCity Street 0
Coordinates42.72604, -84.55075
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 inspectionDecember 2024
Inspection intervalevery 9 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 rating64.6 US tons
Inventory rating32.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length190 ft (57.9 m)
Longest span65 ft (19.8 m)
Deck width44 ft (13.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,200 (1988)
Projected traffic16,000 by 2008
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Grand Ave over I-496 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2022.

What condition is Grand Ave over I-496 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 December 2024.

How much traffic does Grand Ave over I-496 carry?

About 17,200 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is Grand Ave over I-496?

The structure is 190 ft (57.9 m) long with a longest span of 65 ft (19.8 m) and a deck 44 ft wide.

Who owns Grand Ave over I-496?

It is owned by the State Highway Agency.