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Longfellow Bridge

Cambridge Bridge, Salt and Pepper Shaker Bridge

Longfellow Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 29, 2019

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and Videos
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and Links

Key Facts

Location
Boston and Cambridge: Suffolk County, Massachusetts and Middlesex County, Massachusetts: United States
Structure Type
Metal Two-Hinged Solid Ribbed Deck Arch, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Construction Date and Builder / Engineer
1907 By Builder/Contractor: Phoenix Bridge Company of Phoenixville, Pennsylvania and Engineer/Design: William Jackson and Edmund M. Wheelwright

Technical Facts

Rehabilitation Date
2018
Main Span Length
243 Feet (74 Meters)
Structure Length
2,135 Feet (651 Meters)
Roadway Width
90.6 Feet (27.61 Meters)
Spans
11 Main Span(s) and 2 Approach Span(s)
NBI Number
B160094F0DOTNBI

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

Featuring immensely ornate architectural details, this monumental bridge has been beautifully restored. The restoration of this bridge is the first known bridge in Massachusetts to use historically correct riveting in the restoration project. Specifically, rivets were used to create replica v-laced columns for the arch spans. 

This bridge is a two hinge arch bridge. There is a pin visible at the crown, but this was an erection pin and the crown was rendered rigid after the completion of the bridge.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

View Historic American Engineering Record (HAER) Documentation For This Bridge

HAER Data Pages, PDF

View Historic Bridge Inventory Sheet For This Bridge

View Detailed Historical Report On Bridge Construction

Above: Historical photo showing bridge construction.

Above: Historical photo showing bridge construction.

Above: Historical photo showing bridge construction.

Above: Historical photo showing bridge construction.

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Photo Galleries and Videos: Longfellow Bridge

 
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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
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Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Longfellow Bridge

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