US Bridges

Peppermill Road over South Br. Flint River

FairPosted for load

Lapeer County, Michigan · Sec. 10 Lapeer Twp. · Structure no. 000000000005435

Built
1991
34 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
616
2020 count
Owner
County
County Highway Agency

About this bridge

Peppermill Road over South Br. Flint River is a prestressed concrete tee beam carrying Peppermill Road over South Br. Flint River in Lapeer County, Michigan. It was built in 1991, so it is 34 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. Its operating status is: posted for load restriction.

It carries about 616 vehicles a day, projected to reach 752 by 2040. The structure is 50 ft (15.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesPeppermill Road
CrossesSouth Br. Flint River
LocationSec. 10 Lapeer Twp.
RouteCounty Highway 0
CountyLapeer County
StateMichigan
Coordinates43.03696, -83.27798
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic616 (2020)
Projected traffic752 by 2040
Trucks0%
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 Peppermill Road over South Br. Flint River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Peppermill Road over South Br. Flint 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 July 2023.

How much traffic does Peppermill Road over South Br. Flint River carry?

About 616 vehicles per day (2020 count).

How long is Peppermill Road over South Br. Flint River?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns Peppermill Road over South Br. Flint River?

It is owned by the County Highway Agency.