US Bridges

Hubbardston RD over Maple River

Good

Ionia County, Michigan · 3.5 Miles North of Pewamo · Structure no. 000000000004048

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
1,170
2007 count
Owner
County
County Highway Agency

About this bridge

Hubbardston RD over Maple River is a prestressed concrete box beam or girders - multiple carrying Hubbardston RD over Maple River in Ionia County, Michigan. It was built in 2000, so it is 25 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 1,170 vehicles a day, roughly 6% of them trucks, projected to reach 1,361 by 2027. The structure is 180 ft (55 m) long and 41 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesHubbardston RD
CrossesMaple River
Location3.5 Miles North of Pewamo
RouteCounty Highway 3499
Coordinates43.05831, -84.83726
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating107.1 US tons
Inventory rating63.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length180 ft (55 m)
Longest span90 ft (27.5 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,170 (2007)
Projected traffic1,361 by 2027
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Hubbardston RD over Maple River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Hubbardston RD 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 October 2023.

How much traffic does Hubbardston RD over Maple River carry?

About 1,170 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is Hubbardston RD over Maple River?

The structure is 180 ft (55 m) long with a longest span of 90 ft (27.5 m) and a deck 41 ft wide.

Who owns Hubbardston RD over Maple River?

It is owned by the County Highway Agency.