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I0010 over MISSISSIPPI RIVER/CTY ST

Map

Coordinates:
+30.43991, -91.20480
30°26'24" N, 91°12'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0010 over MISSISSIPPI RIVER/CTY ST
Structure number:611704500900001
Location:I0010
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:1235.0 ft. [376.4 m]
Total length:4550.1 ft. [1386.8 m]
Roadway width between curbs:81.7 ft. [24.9 m]
Deck width edge-to-edge:89.6 ft. [27.3 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:134.5 ft. [41.0 m]
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:102,400 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:77.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairSatisfactorySatisfactoryGood10240077.3
August 2014FairSatisfactorySatisfactoryGood10240077.2
March 2013FairSatisfactorySatisfactoryGood10240077.2
September 2011FairSatisfactorySatisfactoryGood10000077.2
February 2009FairSatisfactorySatisfactoryGood11730074.2
March 2006GoodGoodGoodGood11060074.2
March 2004GoodGoodGoodGood9150070.2
March 2002GoodGoodGoodVery Good7678774.2
March 2000GoodGoodGoodVery Good7678774.2
March 1998GoodGoodGoodVery Good7678775.2
March 1996GoodGoodGoodVery Good8149275.2
March 1994GoodGoodGoodVery Good7884076.0
March 1992GoodGoodGoodVery Good5971163.0