US Bridges

SR 4 over Little Kankakee River

Fair

LaPorte County, Indiana · 02.12 E SR 104 · Structure no. 001420

Built
1998
27 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
2,193
2020 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Little Kankakee River is a concrete continuous slab carrying SR 4 over Little Kankakee River in LaPorte County, Indiana. It was built in 1998, so it is 27 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 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 2,193 vehicles a day, roughly 5% of them trucks, projected to reach 5,657 by 2030. The structure is 76 ft (23.1 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 4
CrossesLittle Kankakee River
Location02.12 E SR 104
RouteState Highway 4
CountyLaPorte County
StateIndiana
Coordinates41.57079, -86.57403
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span29 ft (8.9 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,193 (2020)
Projected traffic5,657 by 2030
Trucks5%
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 Little Kankakee River built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR 4 over Little 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 Little Kankakee River carry?

About 2,193 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SR 4 over Little Kankakee River?

The structure is 76 ft (23.1 m) long with a longest span of 29 ft (8.9 m) and a deck 40 ft wide.

Who owns SR 4 over Little Kankakee River?

It is owned by the State Highway Agency.