US Bridges

96th Ave over Black River Tributary

Good

Ottawa County, Michigan · 0.70 Miles N of Ottogan · Structure no. 000000000008812

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
9,990
2022 count
Owner
County
County Highway Agency

About this bridge

96th Ave over Black River Tributary is a prestressed concrete stringer/multi-beam or girder carrying 96th Ave over Black River Tributary in Ottawa County, Michigan. It was built in 2023, so it is 2 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,990 vehicles a day, roughly 5% of them trucks, projected to reach 18,050 by 2042. The structure is 110 ft (33.5 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries96th Ave
CrossesBlack River Tributary
Location0.70 Miles N of Ottogan
RouteCounty Highway 7047
CountyOttawa County
StateMichigan
Coordinates42.77874, -86.01828
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length110 ft (33.5 m)
Longest span109 ft (33.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,990 (2022)
Projected traffic18,050 by 2042
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 96th Ave over Black River Tributary built?

It was built in 2023, making it 2 years old in 2025.

What condition is 96th Ave over Black River Tributary in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does 96th Ave over Black River Tributary carry?

About 9,990 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 96th Ave over Black River Tributary?

The structure is 110 ft (33.5 m) long with a longest span of 109 ft (33.1 m) and a deck 43 ft wide.

Who owns 96th Ave over Black River Tributary?

It is owned by the County Highway Agency.