US Bridges

6 Mile RD over White River

Good

Newaygo County, Michigan · 6 MI N of White Cloud · Structure no. 000000000007778

Built
2009
16 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
50
2000 count
Owner
County
County Highway Agency

About this bridge

6 Mile RD over White River is a prestressed concrete box beam or girders - multiple carrying 6 Mile RD over White River in Newaygo 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 100 by 2020. The structure is 66 ft (20.1 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries6 Mile RD
CrossesWhite River
Location6 MI N of White Cloud
RouteCounty Highway 0
Coordinates43.64055, -85.76035
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating107.1 US tons
Inventory rating85.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span65 ft (19.7 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2000)
Projected traffic100 by 2020
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 6 Mile RD over White River built?

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

What condition is 6 Mile RD over White River 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 2024.

How much traffic does 6 Mile RD over White River carry?

About 50 vehicles per day (2000 count), of which roughly 1% are trucks.

How long is 6 Mile RD over White River?

The structure is 66 ft (20.1 m) long with a longest span of 65 ft (19.7 m) and a deck 28 ft wide.

Who owns 6 Mile RD over White River?

It is owned by the County Highway Agency.