US Bridges

Nickle Plate RD over Maple River Flood

Poor

Ionia County, Michigan · 2 MI N Pewamo & 2 MI West · Structure no. 000000000004029

Built
1983
42 years old
Condition
Poor
inspected October 2024
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
404
2010 count
Owner
County
County Highway Agency

About this bridge

Nickle Plate RD over Maple River Flood is a steel culvert carrying Nickle Plate RD over Maple River Flood 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 404 vehicles a day, roughly 17% of them trucks, projected to reach 420 by 2027. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNickle Plate RD
CrossesMaple River Flood
Location2 MI N Pewamo & 2 MI West
RouteCounty Highway 3476
Coordinates43.03254, -84.86663
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic404 (2010)
Projected traffic420 by 2027
Trucks17%
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 Nickle Plate RD over Maple River Flood built?

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

What condition is Nickle Plate RD over Maple River Flood in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Nickle Plate RD over Maple River Flood carry?

About 404 vehicles per day (2010 count), of which roughly 17% are trucks.

How long is Nickle Plate RD over Maple River Flood?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Nickle Plate RD over Maple River Flood?

It is owned by the County Highway Agency.