Benjamin Franklin Bridge
General Information
| Structural Type: |
Suspension bridge
|
|---|---|
| Function / usage: |
Tramway, light or metro rail bridge
Road bridge |
| Built: | 1922 - 1926 |
| Status: | in use |
Geographic Information & Related Structures
| Location: |
Philadelphia, Philadelphia County, Pennsylvania, USA, North America Camden, Camden County, New Jersey, USA, North America |
|---|---|
| Crosses |
|
| Part of: |
Technical Information
Dimensions
| main span | 533.75 m | |
| total length | 972.6 m | |
| span lengths | 218.4 m - 972.6 m - 218.4 m | |
| clearance | 41.1 m | |
| number of lanes | 7 |
Materials
| cables |
steel
|
|---|---|
| deck |
steel
|
| pylons |
steel
|
Chronology
| 6 January 1922 | Construction begins. |
|---|---|
| 1 July 1926 | Opened to traffic. |
Participants
- Ralph Modjeski (chief engineer)
- Leon Solomon Moisseiff (design engineer)
- Clement E. Chase (principal assistant engineer)
- Paul Philippe Cret (architect)
- Allston Dana (assistant design engineer)
- Daniel E. Moran (consulting engineer)
- Holton Duncan Robinson (consulting engineer)
- Edward A. Byrne (consulting engineer)
Design
Construction
- American Bridge Company (approaches)
- Bethlehem Steel Co. (towers)
- Keystone State Construction Co. (piers)
Cables
Relevant Web Sites
-
A Span for All Seasons: Benjamin Franklin Bridge
-
BridgePros: Ben Franklin Bridge
-
Philly Roads: Benjamin Franklin Bridge (I-676 and US 30)
-
Wikipedia: Benjamin Franklin Bridge
Relevant Publications
- The Bridge over the Delaware River(technical report), 1927
- Great American Bridges and Dams, John Wiley & Sons, New York (USA), ISBN 0471143855, 1984; pp. 148
- Engineers of Dreams, Vintage Books, New York (USA), ISBN 0679730210, 1995
- Les grands ponts du monde: Hors d'Europe, Brissaud, Poitiers (France), ISBN 2902170688, 1990; pp. 132-133
Internal Information
| Structure-ID: | s0000531 |
|---|---|
| Created: | 20/11/1999 |
| Last Updated: | 05/03/2013 |