Technology

Benjamin Franklin Bridge Benjamin Franklin Bridge- Descriptive history and current conditions. Sydney Harbour Bridge Sydney Harbour Bridge- City of Sydney provides a photograph and history extracted from Graham Jahn's 'Sydney Architecture'. San Francisco-Oakland Bay Bridge San Francisco-Oakland Bay Bridge- Photographic collection of the construction between 1931-1936. Held at the Bancroft Library, University of California. Walnut Street Bridge Walnut Street Bridge- Provides technical information on the cast and wrought iron bridge built at Harrisburg, Pennsylvania, around 1890. Includes a number of photographs. Bridges Bridges- Provides recent news on historic bridges, and photographs and articles on some notable examples. Connecticut's Historic Highway Bridges Connecticut's Historic Highway Bridges- About forty bridges in the state are illustrated and described. Historic Bridges Historic Bridges- Inventory of historic Washington State bridges with photographs and information on each. Lenticular Truss Bridges Lenticular Truss Bridges- Article on these bridges and their history with photographs and details of Boardman Bridge, CT, Lover's Leap Bridge, CT, Neshanic Station Bridge, NJ and … Historic Bridges of the US Historic Bridges of the US- Database of historic bridges listed by state. Construction of a Rail and Highway Bridge Across the Mississippi River at St. Louis Construction of a Rail and Highway Bridge Across the Mississippi River at St. Louis- Full text of the proceedings and report of the board of civil engineers convened at St. Louis,… First Free Bridge Across the Connecticut River First Free Bridge Across the Connecticut River- Full text of an address, in commemoration of the opening together with a report of the proceedings and remarks. Written by Edwin Sa… Saint Louis and Illinois Bridge across the Mississippi River Saint Louis and Illinois Bridge across the Mississippi River- Letter from the Secretary of War, transmitting reports on the bridge construction. Young's High Bridge Young's High Bridge- Illustrated article with related links. Details the 1889 construction of the railroad bridge near Tyrone, Kentucky. Friends of McGilvray Road Friends of McGilvray Road- Information and photographs of the McGilvray bridges, a series of bowstring arches from the turn of last century, located in the Van Loon Wildlife area,… The Frontiersmen of New York - Bridges The Frontiersmen of New York - Bridges- Extract from the book written by Jeptha R. Simms in 1883. Covers the history of the early bridges. Arlington Memorial Bridge Arlington Memorial Bridge- Designed by the architectural firm of McKim, Mead and White during the 1920s. Opened 1932. Located in Washington, the capital city of the United States … The Bridge Project The Bridge Project- Aims to save the 97-year-old Hojack Swing Bridge in Rochester, New York. News, images and related documents. Also a collection of illustrated articles about br… The Rupert Train Bridge The Rupert Train Bridge- Campaign to save this bridge in Columbia County which was built by the Phoenix Bridge Company in 1933. The Portage Bridge The Portage Bridge- Tom Cook's illustrated history including sources and related links. Rebuilt in 1874 after fire had destroyed the original wooden structure. Located in the Gene… The Original Greenville Bridge The Original Greenville Bridge- Historical data of this steel through-truss bridge across the Mississippi river. Includes facsimile of the original handbill with facts and diagram… Michigan's Historic Bridges Michigan's Historic Bridges- Photographs and data listed by County. Historic Bridges - Mercer County Pennsylvania Historic Bridges - Mercer County Pennsylvania- Photographs and data of covered, arch, and steel bridges. Historic Bridges in Butte, Nevada and Yuba Counties, California Historic Bridges in Butte, Nevada and Yuba Counties, California- Essays and photographs of truss, suspension, and covered bridges. Highway Bridges: A Northern California Sampler Highway Bridges: A Northern California Sampler- Article on the history of California bridges by Jill Livingston, published in the Society for Commercial Archeology Journal. Connecticut's Historic Highway Bridges Connecticut's Historic Highway Bridges- Features history of bridge building, notable builders, individual bridges classified by construction type, and preservation case studies. Bixby Creek Bridge Bixby Creek Bridge- Essay by Sean Vitousek discusses the building and social aspects of this Californian bridge. Wikipedia: London Bridge, Lake Havasu City Wikipedia: London Bridge, Lake Havasu City- The medieval bridge over the Thames was rebuilt in 1825 to designs by John Rennie. In 1968 the Rennie bridge was demolished and rebuilt… Ambassador Bridge Ambassador Bridge- Features a substantive history, bridge facts, and current data. Spans the Detroit river between the United States and Canada. The Jacques Cartier Bridge The Jacques Cartier Bridge- Spans the St-Lawrence River and Seaway facing St-Helens's Island. Features history, construction details, technical data, and photographs. The Honoré Mercier Bridge The Honoré Mercier Bridge- Spans the St-Lawrence River and Seaway facing St-Helens's Island. Features history, construction details, technical data, and photographs. Bridges Over Niagara Falls Bridges Over Niagara Falls- Construction history and photographs of the bridges built at Niagara. Lions Gate Bridge, Vancouver, Canada Lions Gate Bridge, Vancouver, Canada- Study options for remedial action to replace the 1938 structure. Includes images and history. Bridges of Hamilton, Ontario Bridges of Hamilton, Ontario- Vintage postcard views of bridges, including several that no longer exist, from Janet Forjan-Freedman's collection of postcards of Hamilton. Clifton Suspension Bridge Clifton Suspension Bridge- Brunel's world-famous bridge, its history, facts and figures and details of the visitor centre plus the latest news. Researching the History of Bridges in the UK and Ireland Researching the History of Bridges in the UK and Ireland- An introduction to the history of bridges in the British Isles, with bibliography and notes on primary sources. M&GN Breydon Viaduct M&GN Breydon Viaduct- History and photographs of this railway bridge built for the Midland and Great Northern Joint Railway. Opened in 1902 and dismantled in 1962. England's Oldest Bridge is Found at Testwood Lake England's Oldest Bridge is Found at Testwood Lake- Remains of a bridge from 1,500BC emerged during an excavation at Testwood Lake, Hampshire by Wessex Archaeology. Includes a 3D v… Tyne Bridge - Icon of Industrial Age Tyne Bridge - Icon of Industrial Age- Commentary and film clips of the 1928 construction. Provided by the BBC Nation on Film. Marple's Iron Bridge Marple's Iron Bridge- History and photographs and campaign diary for the restoration of the Iron bridge in Brabyns Park. Dunkeld Bridge Dunkeld Bridge- Construction history of this five arch stone bridge built in 1802. Also includes information on Telford's survey of the interior of the Scottish Highlands. The Downstream Bridges and Railway Bridges of Windsor The Downstream Bridges and Railway Bridges of Windsor- Illustrated history of the Albert bridge, Victoria bridge, Black Potts Railway bridge, Windsor bridge and Brunel's Bowstring… Arch Bridges over the Tamar Arch Bridges over the Tamar- Photographs from Beautiful Cornwall of mainly medieval bridges spanning the river dividing Devon and Cornwall in the UK. Menai Strait Bridges Menai Strait Bridges- Illustrated article on the history of the Menai and Brittania bridges. Wikipedia: Pons Fabricius Wikipedia: Pons Fabricius- Describes the construction of this bridge in Rome that survives from 62 BC. The Tiber River, Tiber Bridges, and Tiber Island in Rome The Tiber River, Tiber Bridges, and Tiber Island in Rome- Descriptions and photographs of all the ancient Tiber bridges, listed in geographical, chronological, and alphabetical or… Roman Bridges Roman Bridges- Photographs and text of various examples located in Rome, Narni, and other locations in Italy. Wikipedia: Rialto Bridge Wikipedia: Rialto Bridge- History and photographs of the Ponte di Rialto in Venice. The Three Bridges over Canal Grande in Venice The Three Bridges over Canal Grande in Venice- Illustrated descriptions of the famed Rialto and the 20th-century Scalzi and Accademia bridges, from In Venice Today. Venice for Visitors: Rialto Bridge Venice for Visitors: Rialto Bridge- An illustrated article by Durant Imboden on this famous bridge with shops on it, built between 1588 and 1591. Venice for Visitors: Bridge of Sighs Venice for Visitors: Bridge of Sighs- Antonio Contino's bridge was built in 1600 to connect the Doge's prison with his palace. An illustrated article by Durant Imboden.