US Bridges

I-90 WB over Ind Harbor Belt RR

Fair

Lake County, Indiana · 00.89 W US 41 · Structure no. 045990

Built
1956
69 years old, rebuilt 1988
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
364 ft
3 main spans
Daily traffic
17,450
2015 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 WB over Ind Harbor Belt RR is a steel stringer/multi-beam or girder carrying I-90 WB over Ind Harbor Belt RR in Lake County, Indiana. It was built in 1956 and reconstructed in 1988, 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 5 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 17,450 vehicles a day, roughly 11% of them trucks, projected to reach 40,689 by 2031. The structure is 364 ft (110.9 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 WB
CrossesInd Harbor Belt RR
Location00.89 W US 41
RouteInterstate 90
CountyLake County
StateIndiana
Coordinates41.65668, -87.51579
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94.9 US tons
Inventory rating56.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length364 ft (110.9 m)
Longest span101 ft (30.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic17,450 (2015)
Projected traffic40,689 by 2031
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 WB over Ind Harbor Belt RR built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1988.

What condition is I-90 WB over Ind Harbor Belt RR 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 WB over Ind Harbor Belt RR carry?

About 17,450 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is I-90 WB over Ind Harbor Belt RR?

The structure is 364 ft (110.9 m) long with a longest span of 101 ft (30.7 m) and a deck 35 ft wide.

Who owns I-90 WB over Ind Harbor Belt RR?

It is owned by the State Toll Authority.