US Bridges

7150th Street over S Br Black River

Fair

Van Buren County, Michigan · 1.0 MI E of South Haven · Structure no. 000000000010787

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
2,152
2019 count
Owner
County
County Highway Agency

About this bridge

7150th Street over S Br Black River is a prestressed concrete box beam or girders - multiple carrying 7150th Street over S Br Black River in Van Buren County, Michigan. It was built in 1979, so it is 46 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 5 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 2,152 vehicles a day, roughly 2% of them trucks, projected to reach 2,378 by 2039. The structure is 132 ft (40.3 m) long and 31 ft wide.

Carries7150th Street
CrossesS Br Black River
Location1.0 MI E of South Haven
RouteCounty Highway 0
Coordinates42.41678, -86.24002
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length132 ft (40.3 m)
Longest span44 ft (13.4 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,152 (2019)
Projected traffic2,378 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 7150th Street over S Br Black River built?

It was built in 1979, making it 46 years old in 2025.

What condition is 7150th Street over S Br Black 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 May 2024.

How much traffic does 7150th Street over S Br Black River carry?

About 2,152 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is 7150th Street over S Br Black River?

The structure is 132 ft (40.3 m) long with a longest span of 44 ft (13.4 m) and a deck 31 ft wide.

Who owns 7150th Street over S Br Black River?

It is owned by the County Highway Agency.