SW 1 St over Miami River


+25.77303, -80.20055
25°46'23" N, 80°12'02" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SW 1 St over Miami River
Structure number:870660
Location:800ft West of I-95
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:156.5 ft. [47.7 m]
Total length:650.6 ft. [198.3 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:62.3 ft. [19.0 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:1929
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,900 [as of 2017]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:57.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$373,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactoryFairFair690057.4
September 2016FairSatisfactoryFairFair810057.1
September 2014PoorSatisfactoryFairPoor830047.2
September 2012PoorSatisfactoryFairPoor840047.1
September 2010FairSatisfactoryFairFair990056.7
August 2009FairSatisfactoryFairFair940056.8
October 2008FairSatisfactorySatisfactorySatisfactory1100067.9
October 2006FairSatisfactorySatisfactorySatisfactory660068.7
October 2004FairSatisfactorySatisfactorySatisfactory750068.6
November 2002FairSatisfactorySatisfactorySatisfactory910072.4
April 2001GoodVery GoodGoodGood1200071.8
December 1998GoodVery GoodGoodGood670074.8
May 1998GoodVery GoodGoodGood670072.8
February 1996GoodVery GoodGoodVery Good1324971.4
August 1993FairSatisfactorySatisfactoryFair1324959.9
July 1991FairSatisfactorySatisfactoryFair829861.1