| 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 | ! |
San Francisco Oakland Bay Bridge
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 | I-80 Over San Francisco Bay | San Francisco and Oakland: San Francisco County, California and Alameda County, California | Metal Deck Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Cantilever Rivet-Connected Modified Warren Through Truss, Fixed |
Total Length: 22655 ft Main Span Length: 2310 ft Roadway Width: 58 ft Main Spans: 9 |
1936 By: American Bridge Company of New York, New York and Charles Henry Purcell, Charles E. Andrew, and Glen Woodruff | Both a suspension bridge and a cantilever truss bridge, and one of the largest and most important historic bridges in the country, half of this bridge is slated for demolition. | 
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