US Bridges

M-29 over Fish Creek

Good

Macomb County, Michigan · 1.4 MI W of New Baltimore · Structure no. 000000000006126

Built
1972
53 years old, rebuilt 2008
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
37,832
2007 count
Owner
State
State Highway Agency

About this bridge

M-29 over Fish Creek is a prestressed concrete stringer/multi-beam or girder carrying M-29 over Fish Creek in Macomb County, Michigan. It was built in 1972 and reconstructed in 2008, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 37,832 vehicles a day, roughly 2% of them trucks, projected to reach 38,980 by 2028. The structure is 40 ft (12.2 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-29
CrossesFish Creek
Location1.4 MI W of New Baltimore
RouteState Highway 29
CountyMacomb County
StateMichigan
Coordinates42.67524, -82.78548
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.5 m)
Deck width78 ft (23.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,832 (2007)
Projected traffic38,980 by 2028
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-29 over Fish Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2008.

What condition is M-29 over Fish Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does M-29 over Fish Creek carry?

About 37,832 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is M-29 over Fish Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.5 m) and a deck 78 ft wide.

Who owns M-29 over Fish Creek?

It is owned by the State Highway Agency.