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:180.5 ft. [55.0 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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:22,000 [as of 2016]
Truck traffic:5% 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:89.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$650,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
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, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.468046800
Prestressed Concrete Girder/Beamlinear ft.774773100
Steel Stringerlinear ft.1,54901,54900
Reinforced Concrete Decksq. ft.8,7698,769000
Steel Floor Beamlinear ft.384038400
Reinforced Concrete Pier Walllinear ft.105871800
Reinforced Concrete Abutmentlinear ft.115113200
Reinforced Concrete Pile Cap/Footinglinear ft.305305000
Steel Pier Caplinear ft.7777000
Open Grid Decksq. ft.7,28307,28300
Concrete Filled Grid Decksq. ft.1,54401,54400
Compression Jointlinear ft.2201705000
Elastomeric Bearingeach48242400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3232546900
Reinforced Concrete Bridge Raillinear ft.360360000
Other Material Bridge Raillinear ft.320320000