US Bridges

SR 23 Ramp over S. Bank St. Joseph River

Fair

St. Joseph County, Indiana · 00.09 N SR 933 · Structure no. 005832

Built
1962
63 years old, rebuilt 1994
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
96 ft
3 main spans
Daily traffic
344
2020 count
Owner
State
State Highway Agency

About this bridge

SR 23 Ramp over S. Bank St. Joseph River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 23 Ramp over S. Bank St. Joseph River in St. Joseph County, Indiana. It was built in 1962 and reconstructed in 1994, so it is 63 years old, older 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 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 344 vehicles a day, roughly 5% of them trucks, projected to reach 5,434 by 2030. The structure is 96 ft (29.3 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 23 Ramp
CrossesS. Bank St. Joseph River
Location00.09 N SR 933
RouteState Highway 23
StateIndiana
Coordinates41.66722, -86.23798
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span32 ft (9.7 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic344 (2020)
Projected traffic5,434 by 2030
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 23 Ramp over S. Bank St. Joseph River built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1994.

What condition is SR 23 Ramp over S. Bank 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 August 2023.

How much traffic does SR 23 Ramp over S. Bank St. Joseph River carry?

About 344 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SR 23 Ramp over S. Bank St. Joseph River?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.7 m) and a deck 27 ft wide.

Who owns SR 23 Ramp over S. Bank St. Joseph River?

It is owned by the State Highway Agency.