US Bridges

M-25|S Lakeshore R over White River

Good

Huron County, Michigan · 1.4 MI N of White Rock · Structure no. 000000000003480

Built
2010
15 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
840
2011 count
Owner
State
State Highway Agency

About this bridge

M-25|S Lakeshore R over White River is a prestressed concrete box beam or girders - single or spread carrying M-25|S Lakeshore R over White River in Huron County, Michigan. It was built in 2010, so it is 15 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 840 vehicles a day, roughly 18% of them trucks, projected to reach 930 by 2031. The structure is 47 ft (14.3 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-25|S Lakeshore R
CrossesWhite River
Location1.4 MI N of White Rock
RouteState Highway 25
Coordinates43.72948, -82.61224
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length47 ft (14.3 m)
Longest span45 ft (13.8 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2011)
Projected traffic930 by 2031
Trucks18%
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 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 M-25|S Lakeshore R over White River built?

It was built in 2010, making it 15 years old in 2025.

What condition is M-25|S Lakeshore R 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 2023.

How much traffic does M-25|S Lakeshore R over White River carry?

About 840 vehicles per day (2011 count), of which roughly 18% are trucks.

How long is M-25|S Lakeshore R over White River?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.8 m) and a deck 47 ft wide.

Who owns M-25|S Lakeshore R over White River?

It is owned by the State Highway Agency.