US Bridges

SR 39 over Kankakee River

Good

Starke County, Indiana · 01.52 N SR 8 · Structure no. 013490

Built
1951
74 years old, rebuilt 2003
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
3 main spans
Daily traffic
2,120
2004 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Kankakee River is a steel continuous stringer/multi-beam or girder carrying SR 39 over Kankakee River in Starke County, Indiana. It was built in 1951 and reconstructed in 2003, so it is 74 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 2,120 vehicles a day, roughly 10% of them trucks, projected to reach 3,518 by 2030. The structure is 163 ft (49.6 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 39
CrossesKankakee River
Location01.52 N SR 8
RouteState Highway 39
StateIndiana
Coordinates41.33844, -86.73491
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating51 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.6 m)
Longest span60 ft (18.2 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,120 (2004)
Projected traffic3,518 by 2030
Trucks10%
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 39 over Kankakee River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2003.

What condition is SR 39 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 2023.

How much traffic does SR 39 over Kankakee River carry?

About 2,120 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 39 over Kankakee River?

The structure is 163 ft (49.6 m) long with a longest span of 60 ft (18.2 m) and a deck 40 ft wide.

Who owns SR 39 over Kankakee River?

It is owned by the State Highway Agency.