USR 6 over (1499)CUY. RIVER & RTA

Map 

Facts 

Name:	USR 6 over (1499)CUY. RIVER & RTA
Structure number:	1800930
Location:	DETROIT/SUPERIOR BRIDGE
Purpose:	Carries highway and pedestrian walkway over railroad and waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	590.9 ft. [180.1 m]
Total length:	2656.0 ft. [809.5 m]
Roadway width between curbs:	71.9 ft. [21.9 m]
Deck width edge-to-edge:	85.3 ft. [26.0 m]
Vertical clearance above deck:	14.1 ft. [4.3 m]
Vertical clearance below bridge:	99.1 ft. [30.2 m]
Owner:	State Highway Agency [01]
Year built:	1917
Year reconstructed:	1997
Historic significance:	Historical significance is not determinable at this time [4]
Main span material:	Steel [3]
Main span design:	Arch - Thru [12]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: December 2016 

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction [A]
Average daily traffic:	20,094 [as of 2015]
Truck traffic:	1% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 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 corrrective action [3]
Underclearances appraisal:	Superior to present desirable criteria [9]
Water adequacy appraisal:	Equal to present desirable criteria [8]
Roadway alignment appraisal:	Equal to present desirable criteria [8]
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 in a deteriorated condition [3]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	46.6 tons [42.4 metric tons]
Inventory rating:	28.2 tons [25.6 metric tons]
Sufficiency rating:	65.2
Recommended work:	Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:	$5,830,000

Previous Inspections 

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
December 2016	65.2	Fair	Satisfactory	Fair	Fair	FO	20094
December 2015	66.0	Fair	Satisfactory	Fair	Fair	FO	15930
May 2014	72.1	Fair	Satisfactory	Fair	Fair	FO	15930
April 2013	48.8	Poor	Satisfactory	Poor	Poor	SD	15930
October 2012	49.6	Poor	Satisfactory	Poor	Poor	SD	15930
December 2011	51.0	Poor	Satisfactory	Fair	Poor	SD	15930
October 2010	67.4	Fair	Good	Satisfactory	Fair	FO	19230
December 2009	67.4	Fair	Good	Satisfactory	Fair	FO	19230
December 2008	67.4	Fair	Good	Satisfactory	Fair	FO	19230
August 2007	67.4	Fair	Good	Satisfactory	Fair	FO	19230
July 2006	67.4	Fair	Good	Satisfactory	Fair	FO	19230
September 2005	78.9	Fair	Good	Satisfactory	Satisfactory	-	19230
August 2004	79.1	Fair	Good	Satisfactory	Satisfactory	-	17830
August 2003	79.1	Fair	Good	Satisfactory	Satisfactory	-	17830
December 2002	78.6	Good	Good	Good	Good	-	21300
November 2000	82.6	Good	Good	Good	Good	-	21300
September 1999	82.6	Good	Good	Good	Good	-	21300
August 1998	82.6	Good	Good	Good	Good	-	21300
August 1994	53.5	Poor	Poor	Poor	Poor	SD	16860
October 1993	52.5	Poor	Poor	Poor	Poor	SD	20720
December 1992	52.5	Poor	Poor	Poor	Poor	SD	20720
September 1991	52.5	Poor	Poor	Poor	Poor	SD	20720