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Hart Bridge

Isaiah David Hart Bridge / The Green Monster

Hart Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 15, 2014

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Key Facts

Location
Jacksonville: Duval County, Florida: United States
Structure Type
Metal Continuous (Arch and Suspended Deck) Bolt-Connected Modified Warren (Subdivided) Through Truss, Fixed and Approach Spans: Pre-Stressed Concrete Stringer (Multi-Beam), Fixed
Construction Date and Builder / Engineer
1967 By Builder/Contractor: Allied Structural Steel Company of Chicago, Illinois and Engineer/Design: Sverdrup and Parcel of St. Louis, Missouri

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
1088 Feet (331.62 Meters)
Structure Length
3844.3 Feet (1171.74 Meters)
Roadway Width
55.4 Feet (16.89 Meters)
Spans
3 Main Span(s) and 14 Approach Span(s)
NBI Number
720107

Historic Significance Rating (HSR)

Bridge Documentation

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

View Historic Bridge Inventory Sheet For This Bridge

View Biography For Leif Sverdrup

This bridge is a very late example of its type, having been completed in 1967. As a late truss bridge, it displays a lack of rivets, and use of welded built-up beams, bolted connections, and a complete lack of v-lacing and lattice in built-up members. Visually, this suspended deck truss bridge's truss arrangement produced a shallow rise above the deck, giving it a less arch-like appearance than other suspended deck truss bridges. B.F. Diamond Construction Company of Savannah, Georgia was the substructure contractor while Allied Structural Steel Company of Chicago, Illinois was the superstructure contractor. The Historic Bridge Inventory noted that this bridge's span was the longest among highway bridges in Florida.

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