US Bridges

72nd Ave over Bass River

Fair

Ottawa County, Michigan · 0.36 North of Taylor ST · Structure no. 000000000008823

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
4,255
2019 count
Owner
County
County Highway Agency

About this bridge

72nd Ave over Bass River is a prestressed concrete box beam or girders - multiple carrying 72nd Ave over Bass River in Ottawa County, Michigan. It was built in 1973, so it is 52 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 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 4,255 vehicles a day, roughly 5% of them trucks, projected to reach 7,690 by 2039. The structure is 32 ft (9.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries72nd Ave
CrossesBass River
Location0.36 North of Taylor ST
RouteCounty Highway 7053
CountyOttawa County
StateMichigan
Coordinates42.93419, -85.96256
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span29 ft (8.8 m)
Deck width42 ft (12.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,255 (2019)
Projected traffic7,690 by 2039
Trucks5%
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 72nd Ave over Bass River built?

It was built in 1973, making it 52 years old in 2025.

What condition is 72nd Ave over Bass 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 November 2024.

How much traffic does 72nd Ave over Bass River carry?

About 4,255 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 72nd Ave over Bass River?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.8 m) and a deck 42 ft wide.

Who owns 72nd Ave over Bass River?

It is owned by the County Highway Agency.