US Bridges

Constantine Street over ST Joseph River

PoorPosted for load

St. Joseph County, Michigan · 2 MI S of Three Rivers · Structure no. 000000000010358

Built
1972
53 years old
Condition
Poor
inspected November 2024
Type
Slab
Wood or Timber
Length
240 ft
12 main spans
Daily traffic
1,493
2003 count
Owner
County
County Highway Agency

About this bridge

Constantine Street over ST Joseph River is a wood or timber slab carrying Constantine Street over ST Joseph River in St. Joseph County, Michigan. It was built in 1972, so it is 53 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,493 vehicles a day, roughly 5% of them trucks, projected to reach 2,008 by 2023. The structure is 240 ft (73.1 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesConstantine Street
CrossesST Joseph River
Location2 MI S of Three Rivers
RouteCounty Highway 0
Coordinates41.90942, -85.63926
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating41.1 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans12
Design loadH 20
Structure length240 ft (73.1 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,493 (2003)
Projected traffic2,008 by 2023
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Constantine Street over ST Joseph River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Constantine Street over ST Joseph River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Constantine Street over ST Joseph River carry?

About 1,493 vehicles per day (2003 count), of which roughly 5% are trucks.

How long is Constantine Street over ST Joseph River?

The structure is 240 ft (73.1 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Constantine Street over ST Joseph River?

It is owned by the County Highway Agency.