US Bridges

Stowell Road over ST Joseph River

Good

St. Joseph County, Michigan · 1.0 MI NE of Colon · Structure no. 000000000010325

Built
2010
15 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
147 ft
3 main spans
Daily traffic
581
2016 count
Owner
County
County Highway Agency

About this bridge

Stowell Road over ST Joseph River is a prestressed concrete box beam or girders - multiple carrying Stowell Road over ST Joseph River in St. Joseph County, Michigan. It was built in 2010, so it is 15 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 581 vehicles a day, roughly 11% of them trucks, projected to reach 617 by 2036. The structure is 147 ft (44.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesStowell Road
CrossesST Joseph River
Location1.0 MI NE of Colon
RouteCounty Highway 0
CountySt. Joseph County
StateMichigan
Coordinates41.97229, -85.30267
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length147 ft (44.7 m)
Longest span55 ft (16.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic581 (2016)
Projected traffic617 by 2036
Trucks11%
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 Stowell Road over ST Joseph River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Stowell Road over ST Joseph 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 November 2023.

How much traffic does Stowell Road over ST Joseph River carry?

About 581 vehicles per day (2016 count), of which roughly 11% are trucks.

How long is Stowell Road over ST Joseph River?

The structure is 147 ft (44.7 m) long with a longest span of 55 ft (16.7 m) and a deck 33 ft wide.

Who owns Stowell Road over ST Joseph River?

It is owned by the County Highway Agency.