US Bridges

Scottville Road over Pere Marquette River

Good

Mason County, Michigan · 1.0 MI S of Scottville · Structure no. 000000000006663

Built
2009
16 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
5,220
2007 count
Owner
County
County Highway Agency

About this bridge

Scottville Road over Pere Marquette River is a prestressed concrete box beam or girders - single or spread carrying Scottville Road over Pere Marquette River in Mason 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 5,220 vehicles a day, roughly 15% of them trucks, projected to reach 9,428 by 2027. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesScottville Road
CrossesPere Marquette River
Location1.0 MI S of Scottville
RouteCounty Highway 5349
CountyMason County
StateMichigan
Coordinates43.94462, -86.27937
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span78 ft (23.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,220 (2007)
Projected traffic9,428 by 2027
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Scottville Road over Pere Marquette River built?

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

What condition is Scottville Road over Pere Marquette 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 August 2024.

How much traffic does Scottville Road over Pere Marquette River carry?

About 5,220 vehicles per day (2007 count), of which roughly 15% are trucks.

How long is Scottville Road over Pere Marquette River?

The structure is 160 ft (48.8 m) long with a longest span of 78 ft (23.9 m) and a deck 43 ft wide.

Who owns Scottville Road over Pere Marquette River?

It is owned by the County Highway Agency.