Share:

I 20 over CNIC RR

Map

Coordinates:
+32.27618, -90.20443
32°16'34" N, 90°12'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 20 over CNIC RR
Structure number:11000200250452C
Location:0.2 MI E I 55
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:313.0 ft. [95.4 m]
Roadway width between curbs:63.0 ft. [19.2 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance below bridge:22.6 ft. [6.9 m]
Skew angle:41°
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
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: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:58,000 [as of 2015]
Truck traffic:13% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:66.7 tons [60.6 metric tons]
Inventory rating:59.2 tons [53.8 metric tons]
Sufficiency rating:84.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201684.1FairFairVery GoodGood-58000
August 201487.2FairFairVery GoodGood-55000
August 201287.2FairFairVery GoodGood-55000
July 201086.6FairFairVery GoodVery Good-67000
June 200885.9GoodGoodVery GoodVery Good-62500
June 200689.8GoodGoodVery GoodVery Good-43500
October 200489.1GoodGoodVery GoodVery Good-57500
August 200289.0GoodGoodVery GoodVery Good-60000
September 200087.1GoodGoodVery GoodVery Good-48500
September 199887.1GoodGoodVery GoodVery Good-48500
March 199787.1GoodGoodVery GoodVery Good-48500
February 199588.7GoodGoodVery GoodVery Good-40300
April 199189.0GoodGoodVery GoodVery Good-36640