US Bridges

Michigan Ave over Thornapple River

Good

Barry County, Michigan · In Hastings · Structure no. 000000000000576

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
7,215
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Michigan Ave over Thornapple River is a prestressed concrete box beam or girders - single or spread carrying Michigan Ave over Thornapple River in Barry County, Michigan. It was built in 2012, so it is 13 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 7,215 vehicles a day, roughly 1% of them trucks, projected to reach 8,175 by 2031. The structure is 103 ft (31.5 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMichigan Ave
CrossesThornapple River
LocationIn Hastings
RouteCity Street 10
CountyBarry County
StateMichigan
Coordinates42.65061, -85.28616
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating45.3 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length103 ft (31.5 m)
Longest span99 ft (30.2 m)
Deck width58 ft (17.6 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,215 (2011)
Projected traffic8,175 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Michigan Ave over Thornapple River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Michigan Ave over Thornapple 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 September 2024.

How much traffic does Michigan Ave over Thornapple River carry?

About 7,215 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Michigan Ave over Thornapple River?

The structure is 103 ft (31.5 m) long with a longest span of 99 ft (30.2 m) and a deck 58 ft wide.

Who owns Michigan Ave over Thornapple River?

It is owned by the City or Municipal Highway Agency.