US Bridges

Whitney Bay Road over Private Truck Haul Road

Good

Chippewa County, Michigan · 2 MI E of Ferry Dock · Structure no. 000000000001658

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
100
2005 count
Owner
County
County Highway Agency

About this bridge

Whitney Bay Road over Private Truck Haul Road is a prestressed concrete box beam or girders - multiple carrying Whitney Bay Road over Private Truck Haul Road in Chippewa County, Michigan. It was built in 2006, so it is 19 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 100 vehicles a day, projected to reach 180 by 2025. The structure is 66 ft (20.2 m) long and 31 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

CarriesWhitney Bay Road
CrossesPrivate Truck Haul Road
Location2 MI E of Ferry Dock
RouteCounty Highway 0
Coordinates45.99524, -83.84811
Functional classRural Local

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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.2 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2005)
Projected traffic180 by 2025
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed124.3 mi (200 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Whitney Bay Road over Private Truck Haul Road built?

It was built in 2006, making it 19 years old in 2025.

What condition is Whitney Bay Road over Private Truck Haul 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 June 2023.

How much traffic does Whitney Bay Road over Private Truck Haul Road carry?

About 100 vehicles per day (2005 count).

How long is Whitney Bay Road over Private Truck Haul Road?

The structure is 66 ft (20.2 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns Whitney Bay Road over Private Truck Haul Road?

It is owned by the County Highway Agency.