I0310 over I-310 RAMP OVER I-10


+30.00693, -90.29186
30°00'25" N, 90°17'31" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over I-310 RAMP OVER I-10
Structure number:024504503600425
Location:0.01 M NORTH OF I-10 WB
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:79.1 ft. [24.1 m]
Total length:4753.2 ft. [1448.7 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:State Highway Agency [01]
Year built:1992
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:68
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:6,370 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:68.3 tons [62.1 metric tons]
Inventory rating:40.6 tons [36.9 metric tons]
Sufficiency rating:97.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201597.0Not deficientGoodVery GoodVery Good6370
September 201397.0Not deficientGoodVery GoodVery Good6180
October 201197.0Not deficientGoodVery GoodVery Good5110
November 200997.0Not deficientGoodVery GoodVery Good4730
March 200997.0Not deficientGoodVery GoodVery Good4470
February 200797.0Not deficientGoodVery GoodVery Good4420
February 200597.0Not deficientVery GoodVery GoodVery Good4130
January 200397.0Not deficientVery GoodVery GoodVery Good4190
August 200197.0Not deficientVery GoodVery GoodVery Good4344
20000.0Not applicable---31408
March 199799.0Not deficientVery GoodVery GoodVery Good3422
April 199498.0Not deficientVery Good--4450