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

Map

Coordinates:
+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]`

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
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

Source: National Bridge Elements dataset, 2018 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
Prestressed Concrete Girder/Beam	linear ft.	774	773	1	0	0
Steel Stringer	linear ft.	1,549	0	1,549	0	0
Deck
Reinforced Concrete Deck	sq. ft.	8,769	8,769	0	0	0
Superstructure
Steel Floor Beam	linear ft.	384	0	384	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	105	87	18	0	0
Reinforced Concrete Abutment	linear ft.	115	113	2	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	305	305	0	0	0
Steel Pier Cap	linear ft.	77	77	0	0	0
Deck
Open Grid Deck	sq. ft.	7,283	0	7,283	0	0
Concrete Filled Grid Deck	sq. ft.	1,544	0	1,544	0	0
Joints
Compression Joint	linear ft.	220	170	50	0	0
Bearings
Elastomeric Bearing	each	48	24	24	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	323	254	69	0	0
Reinforced Concrete Bridge Rail	linear ft.	360	360	0	0	0
Other Material Bridge Rail	linear ft.	320	320	0	0	0