Thursday, December 6, 2012

Florida Keys Bridge #10 Indian Key Channel Bridge MM78.0

Indian Key Channel Bridge MM78
December 6, 2012, Rob Hickman, Keith Nelson
27 Ft Vertical Clearance, 2,460 Ft long

December 6, 2012, Indian Key


Structure number: 900095
Location: MATECUMBE KEY (MM 78.0)
Purpose: Carries two-lane highway over waterway
Route classification: Principal Arterial - Other (Rural)
Length of largest span: 97.1 ft. [29.6 m]
Total length: 2040.1 ft. [621.8 m]
Roadway width between curbs: 36.1 ft. [11.0 m]
Deck width edge-to-edge: 39.0 ft. [11.9 m]
Vertical clearance below bridge: 26.2 ft. [8.0 m]
Owner: State Highway Agency
Year built: 1981
Historic significance: Bridge is not eligible for the National Register of Historic Places
Design load: MS 18 / HS 20
Number of main spans: 21
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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