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Groton

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New York, New Haven & Hartford Railroad, Mystic River Bridge, Spanning Mystic River between Groton & Stonington, Groton, New London County, CT



B&W Photos

HB257531
View, Looking East, Showing Bridge Closed

HB257532
View, Looking East, Showing Bridge Open

HB257533
Detail Of Rack And Track Mechanism

HB257534
Detail Of Center Pier

HB257535
Detail Of Center Pivot

HB257536
Detail Of Center Pier Wedges And Wedge Locks

HB257537
Detail Of End Pier Wedge And Wedge Lock

HB257538
View, Looking North, Showing North Shore And Operator's House With Bridge In Open Position

HB257539
View, Looking Southeast, Showing Mitre Rails With Rail Alignment Guides On Movable Span

HB257540
Detail, Drive Machinery Motor

HB257541
View, Looking Northeast, Showing Bridge Approach And Operator's House

HB257542
Interior Of Operator's House

HB257543
Interior, Operator's House, Electro-mechanical Interlocking Machine

HB257544
Interior, Operator's House, Foot-operated Limited Override Switches


Data Pages


Photo Caption Pages


Item Title


Location
Spanning Mystic River between Groton & Stonington, Groton, CT

Find maps of Groton, CT


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER CT-26
Building/structure dates: 1919 initial construction
Building/structure dates: 1945 subsequent work
Building/structure dates: 1951 subsequent work
Building/structure dates: 1956 subsequent work
Significance: The Mystic River Bridge is a center bearing, through truss swing bridge. It is significant as part of the transportation link in the shoreline route of the New York, New Haven and Hartford Railroad, and as an individual engineering solution to the need to provide dependable rail service while accommodating river navigation.

Subjects
Civil Engineering
Railroad Tracks
Railroad Bridges


Related Names
Moore , W. H.
New York, New Haven, & Hartford Railroad
American Bridge Company
Searles
Union Switch & Signal Company
National Railroad Passenger Corporation


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. VIEW, LOOKING EAST, SHOWING BRIDGE CLOSED
2. VIEW, LOOKING EAST, SHOWING BRIDGE OPEN
3. DETAIL OF RACK AND TRACK MECHANISM
4. DETAIL OF CENTER PIER
5. DETAIL OF CENTER PIVOT
6. DETAIL OF CENTER PIER WEDGES AND WEDGE LOCKS
7. DETAIL OF END PIER WEDGE AND WEDGE LOCK
8. VIEW, LOOKING NORTH, SHOWING NORTH SHORE AND OPERATOR'S HOUSE WITH BRIDGE IN OPEN POSITION
9. VIEW, LOOKING SOUTHEAST, SHOWING MITRE RAILS WITH RAIL ALIGNMENT GUIDES ON MOVABLE SPAN
10. DETAIL, DRIVE MACHINERY MOTOR
11. VIEW, LOOKING NORTHEAST, SHOWING BRIDGE APPROACH AND OPERATOR'S HOUSE
12. INTERIOR OF OPERATOR'S HOUSE
13. INTERIOR, OPERATOR'S HOUSE, ELECTRO-MECHANICAL INTERLOCKING MACHINE
14. INTERIOR, OPERATOR'S HOUSE, FOOT-OPERATED LIMITED OVERRIDE SWITCHES


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