NW 17th Avenue over Miami River


+25.78861, -80.23111
25°47'19" N, 80°13'52" 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:12.8 ft. [3.9 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 2016

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]
Operating rating:39.5 tons [35.9 metric tons]
Inventory rating:23.5 tons [21.4 metric tons]
Sufficiency rating:44.2

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201644.2FairFairFairSatisfactoryFO21073
January 201456.4FairSatisfactorySatisfactorySatisfactoryFO21073
January 201256.4FairSatisfactorySatisfactorySatisfactoryFO21073
January 201056.4FairSatisfactorySatisfactorySatisfactoryFO21073
April 200844.2FairFairFairSatisfactoryFO21073
November 20074.0PoorPoorSeriousSatisfactorySD21073
November 20064.0PoorPoorSeriousSatisfactorySD21073
January 200618.4FairFairFairSatisfactoryFO21073
January 200418.4FairFairFairSatisfactoryFO21073
March 200253.6FairFairFairSatisfactoryFO21073
September 200051.4PoorPoorFairSatisfactorySD21073
October 199951.4PoorPoorFairSatisfactorySD21073
July 199752.0PoorPoorFairSatisfactorySD20080
August 199531.4PoorPoorFairSatisfactorySD19513
February 199467.9FairFairSatisfactorySatisfactoryFO19513
December 199254.0PoorPoorFairSatisfactorySD19320
October 199146.8PoorSatisfactoryPoorGoodSD19320