LA0016 over LA 16 OVER I-12


+30.45726, -90.94681
30°27'26" N, 90°56'49" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0016 over LA 16 OVER I-12
Structure number:623202620112391
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:75.1 ft. [22.9 m]
Total length:252.0 ft. [76.8 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1970
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2016 

Status:Open, no restriction [A]
Average daily traffic:11,800 [as of 2015]
Truck traffic:12% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 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: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:86.1 tons [78.3 metric tons]
Inventory rating:38.6 tons [35.1 metric tons]
Sufficiency rating:79.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201679.6Not deficientGoodSatisfactoryVery Good11800
February 201479.4Not deficientGoodSatisfactoryVery Good13300
April 201279.4Not deficientGoodSatisfactoryVery Good13200
March 201079.3Not deficientGoodSatisfactoryVery Good14100
May 200879.1Not deficientGoodSatisfactoryVery Good15500
May 200679.2Not deficientGoodSatisfactoryVery Good15000
March 200477.2Functionally obsoleteGoodSatisfactoryVery Good14300
April 200277.3Functionally obsoleteGoodSatisfactoryVery Good13700
May 200077.4Functionally obsoleteGoodSatisfactoryVery Good13083
January 199879.7Not deficientGoodSatisfactoryVery Good10450
January 199678.1Functionally obsoleteGoodSatisfactoryVery Good8838
January 199478.2Functionally obsoleteGoodVery GoodVery Good7754
January 199278.2Functionally obsoleteGoodVery GoodVery Good8220