| 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 |
135th Street Bridge
Romeoville Bridge / Romeo Road Swing Bridge |
 | 135th Street Over Des Plaines River | Romeoville: Will County, Illinois | Metal Pin-Connected Warren Through Truss, Movable: Swing (Bobtail) |
Total Length: 302 ft Main Span Length: 204 ft Roadway Width: 18 ft Main Spans: 1 |
1899 By: Strobel Steel Construction Company of Chicago, Illinois | This magnificent and large swing bridge was relocated and is the last remaining highway swing bridge in the area. | 
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Cass Street Bridge
|
 | Westbound US-30 (Cass Street) Over Des Plaines River | Joliet: Will County, Illinois | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule (Rolling Lift) |
Total Length: 294 ft Main Span Length: 174 ft Roadway Width: 42 ft Main Spans: 1 |
1933 By: Independent Bridge Company of Pittsburgh, Pennsylvania and Scherzer Rolling Lift Bridge Company of Chicago, Illinois | One of the two truss bascule bridges that each carry a direction of US-30 | 
|
Division Street Bridge
|
 | Division Street Over Des Plaines River | Lockport: Will County, Illinois | Metal 9 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Metal Pin-Connected Pratt Through Truss, Fixed |
Total Length: 511 ft Main Span Length: 200 ft Main Spans: 2 |
1899 By: Unknown | This bridge is one of the oldest bridges in the county and a rare multi-span through truss with different truss types as well. | 
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