US Bridges

SB Schoenherr RD over Plum Brook Drain

Fair

Macomb County, Michigan · 0.6 MI N of Metro Pkwy · Structure no. 000000000006250

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
2 main spans
Daily traffic
18,181
2007 count
Owner
County
County Highway Agency

About this bridge

SB Schoenherr RD over Plum Brook Drain is a prestressed concrete stringer/multi-beam or girder carrying SB Schoenherr RD over Plum Brook Drain in Macomb 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.

It carries about 18,181 vehicles a day, roughly 7% of them trucks, projected to reach 24,490 by 2027. The structure is 130 ft (39.6 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSB Schoenherr RD
CrossesPlum Brook Drain
Location0.6 MI N of Metro Pkwy
RouteCounty Highway 2058
CountyMacomb County
StateMichigan
Coordinates42.57248, -82.9901
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length130 ft (39.6 m)
Longest span63 ft (19.2 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,181 (2007)
Projected traffic24,490 by 2027
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 SB Schoenherr RD over Plum Brook Drain built?

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

What condition is SB Schoenherr RD over Plum Brook Drain 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 May 2024.

How much traffic does SB Schoenherr RD over Plum Brook Drain carry?

About 18,181 vehicles per day (2007 count), of which roughly 7% are trucks.

How long is SB Schoenherr RD over Plum Brook Drain?

The structure is 130 ft (39.6 m) long with a longest span of 63 ft (19.2 m) and a deck 39 ft wide.

Who owns SB Schoenherr RD over Plum Brook Drain?

It is owned by the County Highway Agency.