US Bridges

Maple Grove Road over Grand River

Fair

Jackson County, Michigan · 3 MI S 3 MI E of Rives J · Structure no. 000000000004482

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
2 main spans
Daily traffic
1,050
2005 count
Owner
County
County Highway Agency

About this bridge

Maple Grove Road over Grand River is a steel stringer/multi-beam or girder carrying Maple Grove Road over Grand River in Jackson County, Michigan. It was built in 1978, so it is 47 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 1,050 vehicles a day, projected to reach 1,200 by 2018. The structure is 109 ft (33.2 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMaple Grove Road
CrossesGrand River
Location3 MI S 3 MI E of Rives J
RouteCounty Highway 3855
CountyJackson County
StateMichigan
Coordinates42.34171, -84.4016
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.9 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span55 ft (16.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2005)
Projected traffic1,200 by 2018
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Maple Grove Road over Grand River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Maple Grove Road 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 2024.

How much traffic does Maple Grove Road over Grand River carry?

About 1,050 vehicles per day (2005 count).

How long is Maple Grove Road over Grand River?

The structure is 109 ft (33.2 m) long with a longest span of 55 ft (16.7 m) and a deck 38 ft wide.

Who owns Maple Grove Road over Grand River?

It is owned by the County Highway Agency.