US Bridges

Charlotte Highway over Grand River

Fair

Ionia County, Michigan · 3 MI S Vill Limits Port]d · Structure no. 000000000004046

Built
2001
24 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
413 ft
4 main spans
Daily traffic
510
2013 count
Owner
County
County Highway Agency

About this bridge

Charlotte Highway over Grand River is a prestressed concrete box beam or girders - single or spread carrying Charlotte Highway over Grand River in Ionia County, Michigan. It was built in 2001, so it is 24 years old, younger 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 6 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 510 vehicles a day, roughly 10% of them trucks, projected to reach 622 by 2033. The structure is 413 ft (126 m) long and 42 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

Open in Google Maps
CarriesCharlotte Highway
CrossesGrand River
Location3 MI S Vill Limits Port]d
RouteCounty Highway 3487
CountyIonia County
StateMichigan
Coordinates42.8157, -84.89466
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating102.2 US tons
Inventory rating50.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length413 ft (126 m)
Longest span118 ft (36 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2013)
Projected traffic622 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Charlotte Highway over Grand River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Charlotte Highway over Grand 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 October 2023.

How much traffic does Charlotte Highway over Grand River carry?

About 510 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Charlotte Highway over Grand River?

The structure is 413 ft (126 m) long with a longest span of 118 ft (36 m) and a deck 42 ft wide.

Who owns Charlotte Highway over Grand River?

It is owned by the County Highway Agency.