US Bridges

I-75 NB over White Feather Road

Good

Bay County, Michigan · 3.0 MI N of Pinconning · Structure no. 000000000000643

Built
1968
57 years old, rebuilt 2011
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
13,735
2007 count
Owner
State
State Highway Agency

About this bridge

I-75 NB over White Feather Road is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB over White Feather Road in Bay County, Michigan. It was built in 1968 and reconstructed in 2011, so it is 57 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 13,735 vehicles a day, roughly 7% of them trucks, projected to reach 16,605 by 2030. The structure is 107 ft (32.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-75 NB
CrossesWhite Feather Road
Location3.0 MI N of Pinconning
RouteInterstate 75
Coordinates43.89703, -84.01986
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length107 ft (32.6 m)
Longest span42 ft (12.8 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,735 (2007)
Projected traffic16,605 by 2030
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-75 NB over White Feather Road built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2011.

What condition is I-75 NB over White Feather Road 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 May 2024.

How much traffic does I-75 NB over White Feather Road carry?

About 13,735 vehicles per day (2007 count), of which roughly 7% are trucks.

How long is I-75 NB over White Feather Road?

The structure is 107 ft (32.6 m) long with a longest span of 42 ft (12.8 m) and a deck 45 ft wide.

Who owns I-75 NB over White Feather Road?

It is owned by the State Highway Agency.