US Bridges

Prairie Street over Maple River

Good

Ionia County, Michigan · In Village of Muir · Structure no. 000000000013838

Built
2015
10 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
342 ft
4 main spans
Daily traffic
600
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Prairie Street over Maple River is a prestressed concrete stringer/multi-beam or girder carrying Prairie Street over Maple River in Ionia County, Michigan. It was built in 2015, so it is 10 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 5% of them trucks, projected to reach 900 by 2034. The structure is 342 ft (104.2 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesPrairie Street
CrossesMaple River
LocationIn Village of Muir
RouteCity Street 3475
Coordinates42.99484, -84.94246
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.9 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadGreater than HL 93
Structure length342 ft (104.2 m)
Longest span84 ft (25.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2014)
Projected traffic900 by 2034
Trucks5%
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

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 Prairie Street over Maple River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Prairie Street over Maple River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Prairie Street over Maple River carry?

About 600 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Prairie Street over Maple River?

The structure is 342 ft (104.2 m) long with a longest span of 84 ft (25.6 m) and a deck 33 ft wide.

Who owns Prairie Street over Maple River?

It is owned by the City or Municipal Highway Agency.