US Bridges

Kent Street over Grand River

Good

Ionia County, Michigan · Kent ST S Portld Vill Lmt · Structure no. 000000000004016

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
244 ft
2 main spans
Daily traffic
1,222
2013 count
Owner
County
County Highway Agency

About this bridge

Kent Street over Grand River is a prestressed concrete stringer/multi-beam or girder carrying Kent Street over Grand River in Ionia 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 1,222 vehicles a day, roughly 8% of them trucks, projected to reach 1,491 by 2033. The structure is 244 ft (74.3 m) long and 42 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesKent Street
CrossesGrand River
LocationKent ST S Portld Vill Lmt
RouteCounty Highway 3422
Coordinates42.85661, -84.91196
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating107.1 US tons
Inventory rating89.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length244 ft (74.3 m)
Longest span122 ft (37.1 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,222 (2013)
Projected traffic1,491 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Kent Street over Grand River built?

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

What condition is Kent Street over Grand River 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 Kent Street over Grand River carry?

About 1,222 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Kent Street over Grand River?

The structure is 244 ft (74.3 m) long with a longest span of 122 ft (37.1 m) and a deck 42 ft wide.

Who owns Kent Street over Grand River?

It is owned by the County Highway Agency.