Sunday, December 9, 2012

Florida Keys Bridge #50 Boca Chica Channel Bridge MM5

Boca Chica Channel Bridge MM5
December 9, 2012, Rob Hickman, Keith Nelson

December 9, 2012, Keith Nelson, Rob Hickman
Photo by Chester H Kalb II


Structure number: 900003
Location: BOCA CHICA KEY (MM 6.0)
Purpose: Carries two-lane highway over waterway
Route classification: Principal Arterial - Other (Rural)
Length of largest span: 62.0 ft. [18.9 m]
Total length: 2635.0 ft. [803.1 m]
Roadway width between curbs: 40.4 ft. [12.3 m]
Deck width edge-to-edge: 42.3 ft. [12.9 m]
Vertical clearance below bridge: 20.3 ft. [6.2 m]
Owner: State Highway Agency
Year built: 1973
Historic significance: Bridge is not eligible for the National Register of Historic Places
Design load: MS 18 / HS 20
Number of main spans: 43
Main spans material: Prestressed concrete
Main spans design: Stringer/Multi-beam or girder
Deck type: Concrete Cast-in-Place
Wearing surface: Integral Concrete (separate non-modified layer of concrete added to structural deck)

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