US Bridges

Colfax over ST Joseph River

Fair

St. Joseph County, Indiana · 00.04 E SR 933 · Structure no. 7100118

Built
1983
42 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
389 ft
4 main spans
Daily traffic
5,909
2021 count
Owner
County
County Highway Agency

About this bridge

Colfax over ST Joseph River is a prestressed concrete continuous stringer/multi-beam or girder carrying Colfax over ST Joseph River in St. Joseph County, Indiana. It was built in 1983 and reconstructed in 1995, so it is 42 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 5,909 vehicles a day, roughly 3% of them trucks, projected to reach 7,210 by 2041. The structure is 389 ft (118.5 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesColfax
CrossesST Joseph River
Location00.04 E SR 933
RouteCity Street 0
CountySt. Joseph County
StateIndiana
Coordinates41.67778, -86.24805
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating33.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length389 ft (118.5 m)
Longest span90 ft (27.4 m)
Deck width65 ft (19.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,909 (2021)
Projected traffic7,210 by 2041
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.5 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Colfax over ST Joseph River built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 1995.

What condition is Colfax over ST Joseph 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 September 2024.

How much traffic does Colfax over ST Joseph River carry?

About 5,909 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Colfax over ST Joseph River?

The structure is 389 ft (118.5 m) long with a longest span of 90 ft (27.4 m) and a deck 65 ft wide.

Who owns Colfax over ST Joseph River?

It is owned by the County Highway Agency.