NW 17th Avenue over Miami River


+25.78553, -80.22295
25°47'08" N, 80°13'23" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NW 17th Avenue over Miami River
Structure number:874161
Location:0.2 Mile North of SR 836
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:132.9 ft. [40.5 m]
Total length:393.1 ft. [119.8 m]
Roadway width between curbs:47.2 ft. [14.4 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:9.8 ft. [3.0 m]
Owner:County Highway Agency [02]
Year built:1928
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:Open Grating [3]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:21,073 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 but re-evaluation of design suggested [4]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:44.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairFairFairSatisfactory2107344.2
January 2016FairFairFairSatisfactory2107344.2
January 2014FairSatisfactorySatisfactorySatisfactory2107356.4
January 2012FairSatisfactorySatisfactorySatisfactory2107356.4
January 2010FairSatisfactorySatisfactorySatisfactory2107356.4
April 2008FairFairFairSatisfactory2107344.2
November 2007PoorPoorSeriousSatisfactory210734.0
November 2006PoorPoorSeriousSatisfactory210734.0
January 2006FairFairFairSatisfactory2107318.4
January 2004FairFairFairSatisfactory2107318.4
March 2002FairFairFairSatisfactory2107353.6
September 2000PoorPoorFairSatisfactory2107351.4
October 1999PoorPoorFairSatisfactory2107351.4
July 1997PoorPoorFairSatisfactory2008052.0
August 1995PoorPoorFairSatisfactory1951331.4
February 1994FairFairSatisfactorySatisfactory1951367.9
December 1992PoorPoorFairSatisfactory1932054.0
October 1991PoorSatisfactoryPoorGood1932046.8