I0010 over I-10 OVER LA 1 & M.P. RR


+30.44026, -91.21022
30°26'25" N, 91°12'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0010 over I-10 OVER LA 1 & M.P. RR
Structure number:616104500812101
Purpose:Carries highway overpass over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:410.1 ft. [125.0 m]
Total length:2486.0 ft. [757.7 m]
Roadway width between curbs:57.4 ft. [17.5 m]
Deck width edge-to-edge:68.9 ft. [21.0 m]
Vertical clearance below bridge:23.0 ft. [7.0 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:24
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: October 2015 

Status:Open, no restriction [A]
Average daily traffic:66,500 [as of 2015]
Truck traffic:21% 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]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.4 tons [54.9 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:83.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201583.9Not deficientSatisfactorySatisfactoryGood66500
November 201384.0Not deficientSatisfactorySatisfactoryGood65400
January 201284.7Not deficientSatisfactorySatisfactoryGood59000
January 201084.3Not deficientSatisfactorySatisfactoryVery Good62200
January 200883.7Not deficientSatisfactoryGoodVery Good59100
January 200684.3Not deficientSatisfactoryVery GoodVery Good53200
January 200484.5Not deficientSatisfactoryVery GoodVery Good50700
January 200285.1Not deficientSatisfactoryVery GoodVery Good47609
January 200085.1Not deficientSatisfactoryVery GoodVery Good47609
January 199886.7Not deficientSatisfactoryVery GoodVery Good42350
January 199687.5Not deficientSatisfactoryVery GoodVery Good43050
January 199487.5Not deficientSatisfactoryVery GoodVery Good42247
January 199287.9Not deficientSatisfactoryVery GoodVery Good37431