Monday, December 10, 2012

Florida Keys Bridge #55 Garrison Bight Bridge

Garrison Bight Bridge
December 10, 2012, Keith Nelson, Rob Hickman


Name: Fleming Key Road over Garrison Bight
Structure number: 1FL1322
Location: 1.5 KM N of US 1
Purpose: Carries two-lane highway over waterway
Route classification: Local (Urban)
Length of largest span: 56.1 ft. [17.1 m]
Total length: 336.0 ft. [102.4 m]
Roadway width between curbs: 24.0 ft. [7.3 m]
Deck width edge-to-edge: 28.9 ft. [8.8 m]
Vertical clearance below bridge: 19.4 ft. [5.9 m]
Owner: Navy/Marines
Year built: 1965
Year reconstructed: 2000
Historic significance: Bridge is not eligible for the National Register of Historic Places
Design load: M 18 / H 20
Number of main spans: 6
Main spans material: Prestressed concrete
Main spans design: Stringer/Multi-beam or girder
Deck type: Concrete Cast-in-Place

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