US Bridges

Schoenherr RD over Middle Br Clinton River

Fair

Macomb County, Michigan · 0.1 MI North of 25 Mile · Structure no. 000000000006401

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
5,309
2008 count
Owner
County
County Highway Agency

About this bridge

Schoenherr RD over Middle Br Clinton River is a prestressed concrete box beam or girders - multiple carrying Schoenherr RD over Middle Br Clinton River in Macomb County, Michigan. It was built in 1969, so it is 56 years old, older 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 5,309 vehicles a day, roughly 2% of them trucks, projected to reach 8,701 by 2028. The structure is 54 ft (16.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSchoenherr RD
CrossesMiddle Br Clinton River
Location0.1 MI North of 25 Mile
RouteCounty Highway 0
Coordinates42.70087, -82.9956
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span53 ft (16.1 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,309 (2008)
Projected traffic8,701 by 2028
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Schoenherr RD over Middle Br Clinton River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Schoenherr RD over Middle Br Clinton 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 June 2024.

How much traffic does Schoenherr RD over Middle Br Clinton River carry?

About 5,309 vehicles per day (2008 count), of which roughly 2% are trucks.

How long is Schoenherr RD over Middle Br Clinton River?

The structure is 54 ft (16.4 m) long with a longest span of 53 ft (16.1 m) and a deck 34 ft wide.

Who owns Schoenherr RD over Middle Br Clinton River?

It is owned by the County Highway Agency.