US Bridges

I-90 EB over Grand Calumet River

Good

Lake County, Indiana · 02.31 E US 12 · Structure no. 046462

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
20,900
2015 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 EB over Grand Calumet River is a prestressed concrete stringer/multi-beam or girder carrying I-90 EB over Grand Calumet River in Lake County, Indiana. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,900 vehicles a day, roughly 11% of them trucks, projected to reach 32,578 by 2031. The structure is 131 ft (39.8 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-90 EB
CrossesGrand Calumet River
Location02.31 E US 12
RouteInterstate 90
CountyLake County
StateIndiana
Coordinates41.60811, -87.3498
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length131 ft (39.8 m)
Longest span125 ft (38.2 m)
Deck width64 ft (19.6 m)
Roadway width58 ft (17.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,900 (2015)
Projected traffic32,578 by 2031
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-90 EB over Grand Calumet River built?

It was built in 2011, making it 14 years old in 2025.

What condition is I-90 EB over Grand Calumet 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 July 2023.

How much traffic does I-90 EB over Grand Calumet River carry?

About 20,900 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is I-90 EB over Grand Calumet River?

The structure is 131 ft (39.8 m) long with a longest span of 125 ft (38.2 m) and a deck 64 ft wide.

Who owns I-90 EB over Grand Calumet River?

It is owned by the State Toll Authority.