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US0090B over MISSISSIPPI RIVER - GNO#

Map

Coordinates:
+29.93771, -90.06092
29°56'16" N, 90°03'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:US0090B over MISSISSIPPI RIVER - GNO#
Structure number:023602830802442
Location:02362830802442
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes [1]
Length of largest span:1575.2 ft. [480.1 m]
Total length:3019.2 ft. [920.2 m]
Roadway width between curbs:91.9 ft. [28.0 m]
Deck width edge-to-edge:102.0 ft. [31.1 m]
Vertical clearance above deck:25.3 ft. [7.7 m]
Vertical clearance below bridge:149.9 ft. [45.7 m]
Owner:State Highway Agency [01]
Year built:1985
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: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:101,880 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Good [7 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:Equal to present minimum criteria [6]
Underclearances 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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Operating rating:57.9 tons [52.6 metric tons]
Inventory rating:34.9 tons [31.7 metric tons]
Sufficiency rating:77.4

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201677.4FairGoodSatisfactoryGood-101880
November 201477.6FairGoodSatisfactoryGood-98640
January 201378.4FairGoodSatisfactoryGood-90780
August 200880.6GoodVery GoodGoodVery Good-69360
August 200681.0GoodVery GoodGoodVery Good-65880
September 200281.1GoodVery GoodGoodVery Good-64612
July 199879.0GoodVery GoodVery GoodVery Good-65932
July 199381.9GoodVery GoodGoodVery Good-92397
October 199183.0GoodVery GoodGoodVery Good-78636
October 198985.0GoodVery GoodVery GoodVery Good-78636