I0010 over I-10 OVER LA 30 & CITY S


+30.43895, -91.18881
30°26'20" N, 91°11'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0010 over I-10 OVER LA 30 & CITY S
Structure number:611704501000001
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:129.9 ft. [39.6 m]
Total length:2681.2 ft. [817.2 m]
Roadway width between curbs:81.7 ft. [24.9 m]
Deck width edge-to-edge:83.0 ft. [25.3 m]
Vertical clearance below bridge:27.2 ft. [8.3 m]
Owner:State Highway Agency [01]
Year built:1967
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:5
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2015 

Status:Open, no restriction [A]
Average daily traffic:107,800 [as of 2015]
Truck traffic:21% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 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]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:74.5 tons [67.7 metric tons]
Inventory rating:44.6 tons [40.5 metric tons]
Sufficiency rating:77.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201577.0Not deficientGoodGoodSatisfactory107800
February 201376.7Not deficientGoodGoodSatisfactory94700
February 201176.7Not deficientGoodGoodSatisfactory102900
October 200876.7Not deficientGoodVery GoodGood96000
September 200673.7Not deficientGoodVery GoodVery Good79400
September 200473.7Not deficientGoodVery GoodVery Good81000
September 200274.0Not deficientGoodVery GoodVery Good80900
August 200074.0Not deficientGoodVery GoodVery Good72784
August 199874.0Not deficientGoodVery GoodVery Good67955
August 199674.0Not deficientGoodVery GoodVery Good83566
August 199474.0Not deficientGoodVery GoodVery Good73374
August 199274.0Not deficientGoodVery GoodVery Good70049
August 199074.0Not deficientGoodVery GoodVery Good70049