US Bridges

N Maple Street over Maple River

PoorPosted for load

Clinton County, Michigan · In Maple Rapids · Structure no. 000000000002028

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
2,890
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Maple Street over Maple River is a prestressed concrete box beam or girders - multiple carrying N Maple Street over Maple River in Clinton County, Michigan. It was built in 1980, so it is 45 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 4 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. Its operating status is: posted for load restriction.

It carries about 2,890 vehicles a day, projected to reach 4,000 by 2027. The structure is 138 ft (42 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesN Maple Street
CrossesMaple River
LocationIn Maple Rapids
RouteCounty Highway 1929
Coordinates43.10916, -84.69335
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length138 ft (42 m)
Longest span46 ft (14 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,890 (2007)
Projected traffic4,000 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 N Maple Street over Maple River built?

It was built in 1980, making it 45 years old in 2025.

What condition is N Maple Street over Maple River 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 N Maple Street over Maple River carry?

About 2,890 vehicles per day (2007 count).

How long is N Maple Street over Maple River?

The structure is 138 ft (42 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns N Maple Street over Maple River?

It is owned by the City or Municipal Highway Agency.