LA3139 over I.C.G. RR


+29.96839, -90.20133
29°58'06" N, 90°12'05" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA3139 over I.C.G. RR
Structure number:022604300100141
Location:.14 MI SOUTH OF US 61
Purpose:Carries highway over railroad and waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:80.1 ft. [24.4 m]
Total length:1362.9 ft. [415.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:27.6 ft. [8.4 m]
Owner:State Highway Agency [01]
Year built:1977
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:15
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: May 2014 

Status:Open, no restriction [A]
Average daily traffic:19,680 [as of 2014]
Truck traffic:17% of total traffic
Deck condition:Very Good [8 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:94.1 tons [85.5 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:83.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201483.0Not deficientVery GoodGoodVery Good19680
June 201283.0Not deficientVery GoodVery GoodVery Good19680
July 201083.0Not deficientVery GoodVery GoodVery Good21600
July 200883.0Not deficientGoodGoodVery Good21600
July 200683.0Not deficientGoodGoodVery Good21600
July 200383.0Not deficientGoodGoodVery Good22620
April 200080.8Not deficientVery GoodVery GoodVery Good22699
September 199780.8Not deficientVery GoodVery GoodVery Good23889
June 199480.8Not deficientVery GoodVery GoodVery Good22211
September 199280.8Not deficientVery GoodVery GoodVery Good22929
January 199180.8Not deficientVery GoodVery GoodVery Good22929