SR-9 (NW 27 Ave)NB over Miami River


+25.79250, -80.23944
25°47'33" N, 80°14'22" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR-9 (NW 27 Ave)NB over Miami River
Structure number:870731
Location:NW 27 Ave & Miami River
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:164.7 ft. [50.2 m]
Total length:373.7 ft. [113.9 m]
Roadway width between curbs:44.9 ft. [13.7 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Vertical clearance above deck:17.7 ft. [5.4 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1997
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:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20,000 [as of 2017]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
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:89.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$650,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactoryGoodGood2000089.8
September 2016FairSatisfactoryGoodGood2200089.7
September 2014FairSatisfactoryGoodGood2150089.7
October 2012FairSatisfactoryGoodGood2625089.2
October 2011GoodGoodGoodGood2625089.2
October 2010GoodGoodGoodGood2925088.9
November 2008GoodVery GoodVery GoodVery Good2825090.3
November 2006GoodVery GoodVery GoodVery Good2975090.1
November 2004GoodVery GoodVery GoodVery Good2675090.4
November 2002GoodVery GoodVery GoodVery Good2725091.4
July 2001GoodVery GoodVery GoodVery Good2750087.6
July 1999GoodVery GoodVery GoodVery Good1900088.0
March 1999GoodVery GoodVery GoodVery Good1900088.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.468046800
Steel Protective Coatingsq. ft.4,68004,67550
Prestressed Concrete Girder/Beamlinear ft.774772110
Steel Stringerlinear ft.1,5491,549000
Steel Protective Coatingsq. ft.4,6474,5895800
Reinforced Concrete Decksq. ft.8,7697,96780020
Steel Floor Beamlinear ft.384038400
Steel Protective Coatingsq. ft.3,07203,06660
Reinforced Concrete Pier Walllinear ft.105010500
Reinforced Concrete Abutmentlinear ft.115114100
Reinforced Concrete Pile Cap/Footinglinear ft.110110000
Steel Pier Caplinear ft.7777000
Steel Protective Coatingsq. ft.616616000
Open Grid Decksq. ft.7,2837,2660170
Steel Protective Coatingsq. ft.7,2837,283000
Concrete Filled Grid Decksq. ft.1,5441,37901650
Steel Protective Coatingsq. ft.1,5441,544000
Compression Jointlinear ft.22011210800
Elastomeric Bearingeach48222600
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3232536910
Steel Protective Coatingsq. ft.2,5842,5540300
Reinforced Concrete Bridge Raillinear ft.3602926800
Other Material Bridge Raillinear ft.3202566400