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Main Street Bridge

John T. Alsop Jr. Bridge

Main Street Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 15, 2014

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Facility Carried / Feature Intersected
Main Street (US-1) Over St. Johns River
Location
Jacksonville: Duval County, Florida: United States
Structure Type
Metal 14 Panel Rivet-Connected Polygonal Warren Through Truss, Movable: Vertical Lift (Span Drive) and Approach Spans: Metal 9 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed
Construction Date and Builder / Engineer
1941 By Builder/Contractor: Mount Vernon Bridge Company of Mount Vernon, Ohio
Rehabilitation Date
2015
Main Span Length
365.0 Feet (111.3 Meters)
Structure Length
1,680.0 Feet (512.1 Meters)
Roadway Width
42 Feet (12.8 Meters)
Spans
1 Main Span(s) and 16 Approach Span(s)
Inventory Number
720022

Historic Significance Rating (HSR)
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Bridge Documentation

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

View Historical Articles About This Bridge

View Historic Bridge Inventory Sheet For This Bridge

The bridge includes a lift span, and at either end of a lift span is a through truss approach spans. Additional approach spans are steel deck plate girder and steel stringer spans. This bridge was clearly designed with aesthetics in mind. Although structurally, the three truss spans are individual simple spans, they have been designed visually to give the appearance of a single unit with a top chord displaying a continuous arch-like design and vertical end posts at the towers. The approach plate girder spans have an arched shape as well. The towers have a streamlined appearance to them as well and are not as bulky looking as on a traditional vertical lift bridge of this size.

The bridge was undergoing rehabilitation when photographed by HistoricBridges.org. However, the bridge remained accessible, so extensive detail photos are available.

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Photo Galleries and Videos: Main Street Bridge

 

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Maps and Links: Main Street Bridge

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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