US Bridges

M-3 SB Gratiot Ave over I-696

Fair

Macomb County, Michigan · In Roseville · Structure no. 000000000006117

Built
1972
53 years old, rebuilt 2006
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
2 main spans
Daily traffic
27,333
2007 count
Owner
State
State Highway Agency

About this bridge

M-3 SB Gratiot Ave over I-696 is a steel stringer/multi-beam or girder carrying M-3 SB Gratiot Ave over I-696 in Macomb County, Michigan. It was built in 1972 and reconstructed in 2006, so it is 53 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 27,333 vehicles a day, roughly 3% of them trucks, projected to reach 61,700 by 2025. The structure is 190 ft (57.9 m) long and 66 ft wide.

Location

Open in Google Maps
CarriesM-3 SB Gratiot Ave
CrossesI-696
LocationIn Roseville
RouteState Highway 3
CountyMacomb County
StateMichigan
Coordinates42.49444, -82.93869
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span94 ft (28.5 m)
Deck width66 ft (20 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,333 (2007)
Projected traffic61,700 by 2025
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$71,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-3 SB Gratiot Ave over I-696 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2006.

What condition is M-3 SB Gratiot Ave over I-696 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 2023.

How much traffic does M-3 SB Gratiot Ave over I-696 carry?

About 27,333 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-3 SB Gratiot Ave over I-696?

The structure is 190 ft (57.9 m) long with a longest span of 94 ft (28.5 m) and a deck 66 ft wide.

Who owns M-3 SB Gratiot Ave over I-696?

It is owned by the State Highway Agency.