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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 2014 

Status:Open, no restriction [A]
Average daily traffic:98,640 [as of 2014]
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:57.4 tons [52.2 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:77.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201477.6Not deficientGoodSatisfactoryGood98640
January 201378.4Not deficientGoodSatisfactoryGood90780
August 200880.6Not deficientVery GoodGoodVery Good69360
August 200681.0Not deficientVery GoodGoodVery Good65880
September 200281.1Not deficientVery GoodGoodVery Good64612
July 199879.0Not deficientVery GoodVery GoodVery Good65932
July 199381.9Not deficientVery GoodGoodVery Good92397
October 199183.0Not deficientVery GoodGoodVery Good78636
October 198985.0Not deficientVery GoodVery GoodVery Good78636