US Bridges

Kenowa Ave over M-6

Good

Kent County, Michigan · Kent/Ottawa CO Line · Structure no. 000000000013048

Built
2002
23 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
2 main spans
Daily traffic
14,000
2000 count
Owner
State
State Highway Agency

About this bridge

Kenowa Ave over M-6 is a prestressed concrete stringer/multi-beam or girder carrying Kenowa Ave over M-6 in Kent County, Michigan. It was built in 2002, so it is 23 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 14,000 vehicles a day, roughly 8% of them trucks, projected to reach 16,700 by 2015. The structure is 258 ft (78.5 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKenowa Ave
CrossesM-6
LocationKent/Ottawa CO Line
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates42.84616, -85.78238
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length258 ft (78.5 m)
Longest span134 ft (40.7 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2000)
Projected traffic16,700 by 2015
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kenowa Ave over M-6 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Kenowa Ave over M-6 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 September 2023.

How much traffic does Kenowa Ave over M-6 carry?

About 14,000 vehicles per day (2000 count), of which roughly 8% are trucks.

How long is Kenowa Ave over M-6?

The structure is 258 ft (78.5 m) long with a longest span of 134 ft (40.7 m) and a deck 47 ft wide.

Who owns Kenowa Ave over M-6?

It is owned by the State Highway Agency.