US Bridges

M-15 over Sheboygan Drain

Good

Tuscola County, Michigan · 0.6 MI SE of Saginaw Col · Structure no. 000000000010411

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
2,842
2007 count
Owner
State
State Highway Agency

About this bridge

M-15 over Sheboygan Drain is a prestressed concrete stringer/multi-beam or girder carrying M-15 over Sheboygan Drain in Tuscola County, Michigan. It was built in 2009, so it is 16 years old, younger 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 2,842 vehicles a day, roughly 5% of them trucks, projected to reach 3,600 by 2030. The structure is 30 ft (9.1 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesM-15
CrossesSheboygan Drain
Location0.6 MI SE of Saginaw Col
RouteState Highway 15
CountyTuscola County
StateMichigan
Coordinates43.41401, -83.68821
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.6 US tons
Inventory rating71.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length30 ft (9.1 m)
Longest span27 ft (8.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,842 (2007)
Projected traffic3,600 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-15 over Sheboygan Drain built?

It was built in 2009, making it 16 years old in 2025.

What condition is M-15 over Sheboygan Drain 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 October 2024.

How much traffic does M-15 over Sheboygan Drain carry?

About 2,842 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is M-15 over Sheboygan Drain?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.1 m) and a deck 47 ft wide.

Who owns M-15 over Sheboygan Drain?

It is owned by the State Highway Agency.