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 

Good/Fair/Poor Condition:Good
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201597.0GoodGoodVery GoodVery Good-6370
September 201397.0GoodGoodVery GoodVery Good-6180
October 201197.0GoodGoodVery GoodVery Good-5110
November 200997.0GoodGoodVery GoodVery Good-4730
March 200997.0GoodGoodVery GoodVery Good-4470
February 200797.0GoodGoodVery GoodVery Good-4420
February 200597.0GoodVery GoodVery GoodVery Good-4130
January 200397.0GoodVery GoodVery GoodVery Good-4190
August 200197.0GoodVery GoodVery GoodVery Good-4344
March 199799.0GoodVery GoodVery GoodVery Good-3422
April 199498.0GoodVery Good---4450