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I0010 over MISSISSIPPI RIVER/CTY ST

Map 

Coordinates:
+30.43956, -91.20009
30°26'22" N, 91°12'00" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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:134.8 ft. [41.1 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]
Operating rating:56.9 tons [51.7 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Sufficiency rating:77.3

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201677.3FairSatisfactorySatisfactoryGood-102400
August 201477.2FairSatisfactorySatisfactoryGood-102400
March 201377.2FairSatisfactorySatisfactoryGood-102400
September 201177.2FairSatisfactorySatisfactoryGood-100000
February 200974.2FairSatisfactorySatisfactoryGood-117300
March 200674.2GoodGoodGoodGood-110600
March 200470.2GoodGoodGoodGoodFO91500
March 200274.2GoodGoodGoodVery Good-76787
March 200074.2GoodGoodGoodVery Good-76787
March 199875.2GoodGoodGoodVery Good-76787
March 199675.2GoodGoodGoodVery Good-81492
March 199476.0GoodGoodGoodVery Good-78840
March 199263.0GoodGoodGoodVery Good-59711