US Bridges

Sutton Road over South Br. Flint River

FairPosted for load

Lapeer County, Michigan · Sec. 35 Lapeer Twp. · Structure no. 000000000005431

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
245
2018 count
Owner
County
County Highway Agency

About this bridge

Sutton Road over South Br. Flint River is a prestressed concrete box beam or girders - multiple carrying Sutton Road over South Br. Flint River in Lapeer County, Michigan. It was built in 1978, so it is 47 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 245 vehicles a day, projected to reach 299 by 2038. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSutton Road
CrossesSouth Br. Flint River
LocationSec. 35 Lapeer Twp.
RouteCounty Highway 0
CountyLapeer County
StateMichigan
Coordinates42.97222, -83.24602
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2018)
Projected traffic299 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sutton Road over South Br. Flint River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Sutton 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 Sutton Road over South Br. Flint River carry?

About 245 vehicles per day (2018 count).

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

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Sutton Road over South Br. Flint River?

It is owned by the County Highway Agency.