US Bridges

SR 8 over Kankakee River

Good

LaPorte County, Indiana · 00.45 W SR 39 · Structure no. 002230

Built
1965
60 years old, rebuilt 2010
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
225 ft
3 main spans
Daily traffic
1,848
2021 count
Owner
State
State Highway Agency

About this bridge

SR 8 over Kankakee River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 8 over Kankakee River in LaPorte County, Indiana. It was built in 1965 and reconstructed in 2010, so it is 60 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 1,848 vehicles a day, roughly 21% of them trucks, projected to reach 3,232 by 2030. The structure is 225 ft (68.6 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 8
CrossesKankakee River
Location00.45 W SR 39
RouteState Highway 8
CountyLaPorte County
StateIndiana
Coordinates41.31699, -86.74623
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span74 ft (22.6 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,848 (2021)
Projected traffic3,232 by 2030
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 8 over Kankakee River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2010.

What condition is SR 8 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 December 2024.

How much traffic does SR 8 over Kankakee River carry?

About 1,848 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is SR 8 over Kankakee River?

The structure is 225 ft (68.6 m) long with a longest span of 74 ft (22.6 m) and a deck 38 ft wide.

Who owns SR 8 over Kankakee River?

It is owned by the State Highway Agency.