US Bridges

68th Street over Trib to Black River

Fair

Van Buren County, Michigan · 3.5 MI E of South Haven · Structure no. 000000000010771

Built
1972
53 years old, rebuilt 1988
Condition
Fair
inspected May 2024
Type
Slab
Wood or Timber
Length
28 ft
1 main span
Daily traffic
900
2014 count
Owner
County
County Highway Agency

About this bridge

68th Street over Trib to Black River is a wood or timber slab carrying 68th Street over Trib to Black River in Van Buren County, Michigan. It was built in 1972 and reconstructed in 1988, so it is 53 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 900 vehicles a day, roughly 2% of them trucks, projected to reach 3,798 by 2034. The structure is 28 ft (8.5 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries68th Street
CrossesTrib to Black River
Location3.5 MI E of South Haven
RouteCounty Highway 0
Coordinates42.40637, -86.20739
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2014)
Projected traffic3,798 by 2034
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 68th Street over Trib to Black River built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1988.

What condition is 68th Street over Trib to 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 68th Street over Trib to Black River carry?

About 900 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is 68th Street over Trib to Black River?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 45 ft wide.

Who owns 68th Street over Trib to Black River?

It is owned by the County Highway Agency.