US Bridges

US 41 SB over Kankakee River

Good

Newton County, Indiana · 02.03 N SR 10 · Structure no. 015550

Built
1954
71 years old, rebuilt 1994
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
3 main spans
Daily traffic
7,635
2021 count
Owner
State
State Highway Agency

About this bridge

US 41 SB over Kankakee River is a steel continuous stringer/multi-beam or girder carrying US 41 SB over Kankakee River in Newton County, Indiana. It was built in 1954 and reconstructed in 1994, so it is 71 years old, older than the Indiana average of 46.6 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 7,635 vehicles a day, roughly 30% of them trucks, projected to reach 6,946 by 2030. The structure is 243 ft (74 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 41 SB
CrossesKankakee River
Location02.03 N SR 10
RouteU.S. Route 41
StateIndiana
Coordinates41.17429, -87.44833
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length243 ft (74 m)
Longest span92 ft (28 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,635 (2021)
Projected traffic6,946 by 2030
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 41 SB over Kankakee River built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1994.

What condition is US 41 SB over Kankakee 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 January 2023.

How much traffic does US 41 SB over Kankakee River carry?

About 7,635 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is US 41 SB over Kankakee River?

The structure is 243 ft (74 m) long with a longest span of 92 ft (28 m) and a deck 42 ft wide.

Who owns US 41 SB over Kankakee River?

It is owned by the State Highway Agency.