US Bridges

US 30 WB over Kankakee River

Good

LaPorte County, Indiana · 01.86 E SR 39 · Structure no. 008250

Built
1958
67 years old, rebuilt 2021
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
165 ft
4 main spans
Daily traffic
5,545
2020 count
Owner
State
State Highway Agency

About this bridge

US 30 WB over Kankakee River is a prestressed concrete continuous stringer/multi-beam or girder carrying US 30 WB over Kankakee River in LaPorte County, Indiana. It was built in 1958 and reconstructed in 2021, so it is 67 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 5,545 vehicles a day, roughly 47% of them trucks, projected to reach 9,685 by 2030. The structure is 165 ft (50.2 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 30 WB
CrossesKankakee River
Location01.86 E SR 39
RouteU.S. Route 30
StateIndiana
Coordinates41.40049, -86.70166
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length165 ft (50.2 m)
Longest span41 ft (12.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,545 (2020)
Projected traffic9,685 by 2030
Trucks47%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 30 WB over Kankakee River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2021.

What condition is US 30 WB 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 March 2024.

How much traffic does US 30 WB over Kankakee River carry?

About 5,545 vehicles per day (2020 count), of which roughly 47% are trucks.

How long is US 30 WB over Kankakee River?

The structure is 165 ft (50.2 m) long with a longest span of 41 ft (12.5 m) and a deck 43 ft wide.

Who owns US 30 WB over Kankakee River?

It is owned by the State Highway Agency.