US Bridges

Hillcrest-Charles over Flat River

Good

Montcalm County, Michigan · In Greenville · Structure no. 000000000007531

Built
1965
60 years old, rebuilt 1995
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
8,480
1997 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hillcrest-Charles over Flat River is a prestressed concrete stringer/multi-beam or girder carrying Hillcrest-Charles over Flat River in Montcalm County, Michigan. It was built in 1965 and reconstructed in 1995, so it is 60 years old, older 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 8,480 vehicles a day, roughly 10% of them trucks, projected to reach 15,480 by 2010. The structure is 148 ft (45.1 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHillcrest-Charles
CrossesFlat River
LocationIn Greenville
RouteCity Street 2041
Coordinates43.18921, -85.26806
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating55 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span49 ft (14.9 m)
Deck width51 ft (15.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,480 (1997)
Projected traffic15,480 by 2010
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Hillcrest-Charles over Flat River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1995.

What condition is Hillcrest-Charles over Flat 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 April 2024.

How much traffic does Hillcrest-Charles over Flat River carry?

About 8,480 vehicles per day (1997 count), of which roughly 10% are trucks.

How long is Hillcrest-Charles over Flat River?

The structure is 148 ft (45.1 m) long with a longest span of 49 ft (14.9 m) and a deck 51 ft wide.

Who owns Hillcrest-Charles over Flat River?

It is owned by the City or Municipal Highway Agency.