US Bridges

SR 101 over ST Joseph River

Fair

DeKalb County, Indiana · 02.40 S SR 1 · Structure no. 025220

Built
1963
62 years old, rebuilt 2003
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
4 main spans
Daily traffic
2,174
2019 count
Owner
State
State Highway Agency

About this bridge

SR 101 over ST Joseph River is a steel continuous stringer/multi-beam or girder carrying SR 101 over ST Joseph River in DeKalb County, Indiana. It was built in 1963 and reconstructed in 2003, so it is 62 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 2,174 vehicles a day, roughly 22% of them trucks, projected to reach 2,953 by 2034. The structure is 282 ft (86.1 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 101
CrossesST Joseph River
Location02.40 S SR 1
RouteState Highway 101
CountyDeKalb County
StateIndiana
Coordinates41.3249, -84.86752
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length282 ft (86.1 m)
Longest span78 ft (23.7 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,174 (2019)
Projected traffic2,953 by 2034
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 101 over ST Joseph River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2003.

What condition is SR 101 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 March 2024.

How much traffic does SR 101 over ST Joseph River carry?

About 2,174 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is SR 101 over ST Joseph River?

The structure is 282 ft (86.1 m) long with a longest span of 78 ft (23.7 m) and a deck 40 ft wide.

Who owns SR 101 over ST Joseph River?

It is owned by the State Highway Agency.