I0012 over I-12 OVER LA 3002


+30.45510, -90.95647
30°27'18" N, 90°57'23" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0012 over I-12 OVER LA 3002
Structure number:623204540201901
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:86.9 ft. [26.5 m]
Total length:199.2 ft. [60.7 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:64.6 ft. [19.7 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:16°
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:2012
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:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2016 

Status:Open, no restriction [A]
Average daily traffic:65,160 [as of 2015]
Truck traffic:19% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:69.3 tons [63.0 metric tons]
Inventory rating:41.6 tons [37.8 metric tons]
Sufficiency rating:89.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201689.7Not deficientGoodGoodVery Good65160
February 201489.9Not deficientGoodGoodVery Good63480
February 201290.5Not deficientGoodGoodVery Good57840
January 201090.9Not deficientSatisfactoryGoodVery Good52740
May 200891.1Not deficientSatisfactoryGoodVery Good50640
May 200691.4Not deficientSatisfactoryGoodVery Good47760
April 200491.7Not deficientSatisfactoryGoodVery Good44520
June 200291.9Not deficientSatisfactoryGoodVery Good43140
April 200092.3Not deficientSatisfactoryGoodVery Good38625
April 199893.1Not deficientSatisfactoryGoodVery Good30114
April 199693.1Not deficientSatisfactoryGoodVery Good30033
March 199491.2Functionally obsoleteSatisfactoryGoodVery Good36170
March 199291.4Functionally obsoleteSatisfactoryVery GoodVery Good32533