US Bridges

Kronner Road over Belle River

Fair

St. Clair County, Michigan · Sec. 19 Columbus Twp. · Structure no. 000000000010153

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
130 ft
3 main spans
Daily traffic
380
1994 count
Owner
County
County Highway Agency

About this bridge

Kronner Road over Belle River is a prestressed concrete box beam or girders - multiple carrying Kronner Road over Belle River in St. Clair County, Michigan. It was built in 1991, so it is 34 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 380 vehicles a day, projected to reach 460 by 2014. The structure is 130 ft (39.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKronner Road
CrossesBelle River
LocationSec. 19 Columbus Twp.
RouteCounty Highway 0
CountySt. Clair County
StateMichigan
Coordinates42.85112, -82.72301
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.2 US tons
Inventory rating49.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length130 ft (39.6 m)
Longest span43 ft (13.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (1994)
Projected traffic460 by 2014
Trucks0%
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

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 Kronner Road over Belle River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Kronner Road over Belle River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Kronner Road over Belle River carry?

About 380 vehicles per day (1994 count).

How long is Kronner Road over Belle River?

The structure is 130 ft (39.6 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.

Who owns Kronner Road over Belle River?

It is owned by the County Highway Agency.