US Bridges

M-97 Groesbeck HWY over I-696

Fair

Macomb County, Michigan · In Warren · Structure no. 000000000006094

Built
1973
52 years old, rebuilt 2010
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
2 main spans
Daily traffic
16,768
2007 count
Owner
State
State Highway Agency

About this bridge

M-97 Groesbeck HWY over I-696 is a steel continuous stringer/multi-beam or girder carrying M-97 Groesbeck HWY over I-696 in Macomb County, Michigan. It was built in 1973 and reconstructed in 2010, so it is 52 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 16,768 vehicles a day, roughly 8% of them trucks, projected to reach 42,800 by 2031. The structure is 240 ft (73.2 m) long and 106 ft wide.

Location

Open in Google Maps
CarriesM-97 Groesbeck HWY
CrossesI-696
LocationIn Warren
RouteState Highway 97
CountyMacomb County
StateMichigan
Coordinates42.49393, -82.96918
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating62.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span117 ft (35.7 m)
Deck width106 ft (32.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,768 (2007)
Projected traffic42,800 by 2031
Trucks8%
Lanes on structure7
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-97 Groesbeck HWY over I-696 built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2010.

What condition is M-97 Groesbeck HWY 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 October 2024.

How much traffic does M-97 Groesbeck HWY over I-696 carry?

About 16,768 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is M-97 Groesbeck HWY over I-696?

The structure is 240 ft (73.2 m) long with a longest span of 117 ft (35.7 m) and a deck 106 ft wide.

Who owns M-97 Groesbeck HWY over I-696?

It is owned by the State Highway Agency.