| Special Bridge Conditions Legend |
| ! | Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level. |
| X | The bridge has been confirmed demolished or collapsed. |
| S | The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing. |
| L | Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain. |
| Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free. |
| Bridge Name | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
Elgin, Joliet, and Eastern Railroad Bridge
|
 | Railroad (Canadian National) Over Indiana Harbor Canal | East Chicago: Lake County, Indiana | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Rolling Lift) and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | This bridge is a small example of a Scherzer Rolling Lift bascule bridge. | 
|
Hohman Avenue Railroad Bridge
|
 | Railroad (Abandoned) Over Grand Calumet River | Hammond: Lake County, Indiana | Metal Rivet-Connected Warren Through Truss, Movable: Bascule (Page) and Approach Spans: Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown | This is an extremely unusual bascule bridge, and an unexpected sight on the Grand Calumet River today. | 
| X |
Indianapolis Boulevard Bridge
Nine Span Bridge / Gibson Railroad Yard Bridge |
| Indianapolis Boulevard (IN-152) Over Railroad (Gibson Railroad Yard) | Hammond: Lake County, Indiana | Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 2117.2 ft Main Span Length: 246 ft Roadway Width: 39.7 ft Main Spans: 9 |
1935 By: E. J. Albrecht Company of Chicago, Illinois | Excluding Ohio River bridges, this awe-inspiring structure is the longest highway truss bridge in Indiana, yet is doomed. | 
| ! |
Range Line Road Bridge
Clay Street Bridge |
 | Range Line Road Over Kankakee River | Rural: Lake County, Indiana | Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 169 ft Main Span Length: 167 ft Roadway Width: 19 ft Main Spans: 1 |
1920 By: Unknown | This sturdy Parker truss is doomed along with all of Lake County's truss bridges. | 
|
Sohl Avenue Railroad Bridge
|
 | Railroad (Abandoned) Over Grand Calumet River | Hammond: Lake County, Indiana | Metal Pin-Connected Pratt Through Truss, Movable: Swing (Center Pier) | Main Spans: 1 | By: Unknown | This long-abandoned railroad bridge is absolutely buried in the trees although it is not far off the road. | 
|
State Line Bridge
|
| State Line Road Over Kankakee River | Rural: Lake County, Indiana | Metal 12 Panel Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 223.8 ft Main Span Length: 221.8 ft Roadway Width: 17 ft Main Spans: 1 |
By: Unknown | This extremely rare and beautiful pin connected Pennsylvania is to be preserved after a fight to save it. | 
|
Whiting Park Bridge
|
 | Central Walkway Over Shallow Depression | Whiting: Lake County, Indiana | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 1 | By: Unknown | This tiny concrete arch bridge is an attractive and historic structure of Whiting Park. | 
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