US Bridges

68th Ave over Grand River

Fair

Ottawa County, Michigan · 0.10 Miles S of Leonard · Structure no. 000000000008834

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
564 ft
7 main spans
Daily traffic
12,200
2019 count
Owner
County
County Highway Agency

About this bridge

68th Ave over Grand River is a prestressed concrete box beam or girders - single or spread carrying 68th Ave over Grand River in Ottawa County, Michigan. It was built in 1967, so it is 58 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 12,200 vehicles a day, roughly 5% of them trucks, projected to reach 22,000 by 2039. The structure is 564 ft (171.9 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries68th Ave
CrossesGrand River
Location0.10 Miles S of Leonard
RouteCounty Highway 7053
Coordinates43.01462, -85.95555
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length564 ft (171.9 m)
Longest span80 ft (24.3 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,200 (2019)
Projected traffic22,000 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 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 Ave over Grand River built?

It was built in 1967, making it 58 years old in 2025.

What condition is 68th Ave over Grand 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 2024.

How much traffic does 68th Ave over Grand River carry?

About 12,200 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 68th Ave over Grand River?

The structure is 564 ft (171.9 m) long with a longest span of 80 ft (24.3 m) and a deck 38 ft wide.

Who owns 68th Ave over Grand River?

It is owned by the County Highway Agency.