US Bridges

M-53 over Pinnebog River

Fair

Huron County, Michigan · 6.0 MI SW of Bad Axe · Structure no. 000000000003466

Built
1994
31 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
3,895
2007 count
Owner
State
State Highway Agency

About this bridge

M-53 over Pinnebog River is a prestressed concrete box beam or girders - multiple carrying M-53 over Pinnebog River in Huron County, Michigan. It was built in 1994, so it is 31 years old, younger 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 3,895 vehicles a day, roughly 9% of them trucks, projected to reach 4,631 by 2018. The structure is 75 ft (22.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM-53
CrossesPinnebog River
Location6.0 MI SW of Bad Axe
RouteState Highway 53
CountyHuron County
StateMichigan
Coordinates43.76495, -83.09952
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating43.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length75 ft (22.8 m)
Longest span71 ft (21.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,895 (2007)
Projected traffic4,631 by 2018
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-53 over Pinnebog River built?

It was built in 1994, making it 31 years old in 2025.

What condition is M-53 over Pinnebog River 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 May 2023.

How much traffic does M-53 over Pinnebog River carry?

About 3,895 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is M-53 over Pinnebog River?

The structure is 75 ft (22.8 m) long with a longest span of 71 ft (21.6 m) and a deck 47 ft wide.

Who owns M-53 over Pinnebog River?

It is owned by the State Highway Agency.