US Bridges

I-90 EB over US 41/CALUMET Ave

Fair

Lake County, Indiana · 01.31 W SR 312 · Structure no. 046020

Built
1956
69 years old, rebuilt 1985
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
317 ft
3 main spans
Daily traffic
19,890
2015 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 EB over US 41/CALUMET Ave is a steel stringer/multi-beam or girder carrying I-90 EB over US 41/CALUMET Ave in Lake County, Indiana. It was built in 1956 and reconstructed in 1985, so it is 69 years old, older 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 19,890 vehicles a day, roughly 11% of them trucks, projected to reach 31,467 by 2031. The structure is 317 ft (96.6 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-90 EB
CrossesUS 41/CALUMET Ave
Location01.31 W SR 312
RouteInterstate 90
CountyLake County
StateIndiana
Coordinates41.64479, -87.50872
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length317 ft (96.6 m)
Longest span145 ft (44.1 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,890 (2015)
Projected traffic31,467 by 2031
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 EB over US 41/CALUMET Ave built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1985.

What condition is I-90 EB over US 41/CALUMET Ave 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 June 2023.

How much traffic does I-90 EB over US 41/CALUMET Ave carry?

About 19,890 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is I-90 EB over US 41/CALUMET Ave?

The structure is 317 ft (96.6 m) long with a longest span of 145 ft (44.1 m) and a deck 35 ft wide.

Who owns I-90 EB over US 41/CALUMET Ave?

It is owned by the State Toll Authority.