US Bridges

Nickle Plate RD over Maple River

Fair

Ionia County, Michigan · 2 MI N of Pewamo & 1 MI W · Structure no. 000000000004030

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
195 ft
3 main spans
Daily traffic
123
2013 count
Owner
County
County Highway Agency

About this bridge

Nickle Plate RD over Maple River is a prestressed concrete box beam or girders - multiple carrying Nickle Plate RD over Maple River in Ionia County, Michigan. It was built in 1983, so it is 42 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 123 vehicles a day, roughly 16% of them trucks, projected to reach 150 by 2033. The structure is 195 ft (59.4 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNickle Plate RD
CrossesMaple River
Location2 MI N of Pewamo & 1 MI W
RouteCounty Highway 3476
Coordinates43.03256, -84.86187
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length195 ft (59.4 m)
Longest span65 ft (19.8 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2013)
Projected traffic150 by 2033
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Nickle Plate RD over Maple River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nickle Plate RD over Maple 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 Nickle Plate RD over Maple River carry?

About 123 vehicles per day (2013 count), of which roughly 16% are trucks.

How long is Nickle Plate RD over Maple River?

The structure is 195 ft (59.4 m) long with a longest span of 65 ft (19.8 m) and a deck 35 ft wide.

Who owns Nickle Plate RD over Maple River?

It is owned by the County Highway Agency.