US Bridges

M-20 (pine Hill) over White River

Fair

Newaygo County, Michigan · In White Cloud · Structure no. 000000000007785

Built
2005
20 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
2,995
2007 count
Owner
State
State Highway Agency

About this bridge

M-20 (pine Hill) over White River is a prestressed concrete box beam or girders - single or spread carrying M-20 (pine Hill) over White River in Newaygo County, Michigan. It was built in 2005, so it is 20 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 6 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 2,995 vehicles a day, roughly 10% of them trucks, projected to reach 4,500 by 2024. The structure is 90 ft (27.4 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesM-20 (pine Hill)
CrossesWhite River
LocationIn White Cloud
RouteState Highway 20
CountyNewaygo County
StateMichigan
Coordinates43.55407, -85.75727
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating27.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span86 ft (26.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,995 (2007)
Projected traffic4,500 by 2024
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-20 (pine Hill) over White River built?

It was built in 2005, making it 20 years old in 2025.

What condition is M-20 (pine Hill) over White 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 June 2024.

How much traffic does M-20 (pine Hill) over White River carry?

About 2,995 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is M-20 (pine Hill) over White River?

The structure is 90 ft (27.4 m) long with a longest span of 86 ft (26.1 m) and a deck 43 ft wide.

Who owns M-20 (pine Hill) over White River?

It is owned by the State Highway Agency.