US Bridges

SR 4 over Kankakee River

Fair

LaPorte County, Indiana · 05.01 W SR 23 · Structure no. 001450

Built
1995
30 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
1,120
2020 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Kankakee River is a concrete continuous slab carrying SR 4 over Kankakee River in LaPorte County, Indiana. It was built in 1995, so it is 30 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 1,120 vehicles a day, roughly 12% of them trucks, projected to reach 2,472 by 2030. The structure is 86 ft (26.2 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 4
CrossesKankakee River
Location05.01 W SR 23
RouteState Highway 4
CountyLaPorte County
StateIndiana
Coordinates41.55021, -86.51174
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span33 ft (10.2 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2020)
Projected traffic2,472 by 2030
Trucks12%
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

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 4 over Kankakee River built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 4 over Kankakee 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 February 2024.

How much traffic does SR 4 over Kankakee River carry?

About 1,120 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SR 4 over Kankakee River?

The structure is 86 ft (26.2 m) long with a longest span of 33 ft (10.2 m) and a deck 34 ft wide.

Who owns SR 4 over Kankakee River?

It is owned by the State Highway Agency.