SR-9 (NW 27 Ave)NB over Miami River
Map
Coordinates:
+25.79250, -80.2394425°47'33" N, 80°14'22" W
Facts
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
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
September 2018 | Fair | Satisfactory | Good | Good | 20000 | 89.8 |
September 2016 | Fair | Satisfactory | Good | Good | 22000 | 89.7 |
September 2014 | Fair | Satisfactory | Good | Good | 21500 | 89.7 |
October 2012 | Fair | Satisfactory | Good | Good | 26250 | 89.2 |
October 2011 | Good | Good | Good | Good | 26250 | 89.2 |
October 2010 | Good | Good | Good | Good | 29250 | 88.9 |
November 2008 | Good | Very Good | Very Good | Very Good | 28250 | 90.3 |
November 2006 | Good | Very Good | Very Good | Very Good | 29750 | 90.1 |
November 2004 | Good | Very Good | Very Good | Very Good | 26750 | 90.4 |
November 2002 | Good | Very Good | Very Good | Very Good | 27250 | 91.4 |
July 2001 | Good | Very Good | Very Good | Very Good | 27500 | 87.6 |
July 1999 | Good | Very Good | Very Good | Very Good | 19000 | 88.0 |
March 1999 | Good | Very Good | Very Good | Very Good | 19000 | 88.0 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Steel Girder/Beam | linear ft. | 468 | 0 | 468 | 0 | 0 |
Steel Protective Coating | sq. ft. | 4,680 | 0 | 4,675 | 5 | 0 |
Prestressed Concrete Girder/Beam | linear ft. | 774 | 772 | 1 | 1 | 0 |
Steel Stringer | linear ft. | 1,549 | 1,549 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 4,647 | 4,589 | 58 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 8,769 | 7,967 | 800 | 2 | 0 |
Superstructure |
Steel Floor Beam | linear ft. | 384 | 0 | 384 | 0 | 0 |
Steel Protective Coating | sq. ft. | 3,072 | 0 | 3,066 | 6 | 0 |
Substructure |
Reinforced Concrete Pier Wall | linear ft. | 105 | 0 | 105 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 115 | 114 | 1 | 0 | 0 |
Reinforced Concrete Pile Cap/Footing | linear ft. | 110 | 110 | 0 | 0 | 0 |
Steel Pier Cap | linear ft. | 77 | 77 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 616 | 616 | 0 | 0 | 0 |
Deck |
Open Grid Deck | sq. ft. | 7,283 | 7,266 | 0 | 17 | 0 |
Steel Protective Coating | sq. ft. | 7,283 | 7,283 | 0 | 0 | 0 |
Concrete Filled Grid Deck | sq. ft. | 1,544 | 1,379 | 0 | 165 | 0 |
Steel Protective Coating | sq. ft. | 1,544 | 1,544 | 0 | 0 | 0 |
Joints |
Compression Joint | linear ft. | 220 | 112 | 108 | 0 | 0 |
Bearings |
Elastomeric Bearing | each | 48 | 22 | 26 | 0 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 323 | 253 | 69 | 1 | 0 |
Steel Protective Coating | sq. ft. | 2,584 | 2,554 | 0 | 30 | 0 |
Reinforced Concrete Bridge Rail | linear ft. | 360 | 292 | 68 | 0 | 0 |
Other Material Bridge Rail | linear ft. | 320 | 256 | 64 | 0 | 0 |