Seaport Causeway over Biscayne Bay

Map 

Facts 

Name:	Seaport Causeway over Biscayne Bay
Structure number:	874998
Location:	Entrance to Port of Miami
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	106.0 ft. [32.3 m]
Total length:	2239.0 ft. [682.4 m]
Roadway width between curbs:	27.9 ft. [8.5 m]
Deck width edge-to-edge:	37.4 ft. [11.4 m]
Vertical clearance below bridge:	22.0 ft. [6.7 m]
Owner:	County Highway Agency [02]
Year built:	1964
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Main span material:	Steel [3]
Main span design:	Movable - Bascule [16]
Deck type:	Open Grating [3]

Latest Available Inspection: January 2016 

Good/Fair/Poor Condition:	Fair
Status:	Bridge closed to all traffic [K]
Average daily traffic:	1 [as of 2015]
Truck traffic:	50% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Deck geometry appraisal:	Better than present minimum criteria [7]
Water adequacy appraisal:	Equal to present desirable criteria [8]
Roadway alignment appraisal:	Equal to present desirable criteria [8]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:	40.0

Previous Inspections 

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
January 2016	40.0	Fair	Fair	Fair	Fair	SD	1
January 2014	40.0	Fair	Fair	Fair	Fair	SD	1
January 2013	40.0	Fair	Fair	Fair	Satisfactory	SD	1
December 2011	40.0	Fair	Fair	Fair	Satisfactory	SD	1
December 2009	75.5	Fair	Fair	Fair	Satisfactory	-	1
January 2008	75.5	Fair	Fair	Fair	Satisfactory	-	1
February 2007	87.5	Fair	Satisfactory	Satisfactory	Good	-	1
January 2004	87.5	Fair	Satisfactory	Satisfactory	Good	-	1
March 2002	85.5	Fair	Satisfactory	Satisfactory	Good	-	10
August 2000	85.5	Fair	Satisfactory	Satisfactory	Good	-	10
September 1999	85.5	Fair	Satisfactory	Satisfactory	Good	-	10
July 1997	80.9	Fair	Satisfactory	Satisfactory	Good	-	2
October 1995	79.9	Fair	Good	Satisfactory	Good	-	2
February 1994	68.9	Fair	Satisfactory	Good	Fair	-	-
December 1992	67.9	Fair	Satisfactory	Satisfactory	Fair	-	-
November 1991	67.9	Fair	Satisfactory	Satisfactory	Fair	-	5