I0310 over RAMPS/US 61


+29.97527, -90.31921
29°58'31" N, 90°19'09" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over RAMPS/US 61
Structure number:024504503602567
Location:0.2 1M NORTH OF US 61
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:106.0 ft. [32.3 m]
Total length:3543.2 ft. [1079.9 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:16.4 ft. [5.0 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:55
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: October 2015 

Status:Open, no restriction [A]
Average daily traffic:5,050 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:53.5 tons [48.6 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Sufficiency rating:95.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201595.8Not deficientGoodGoodSatisfactory5050
October 201395.8Not deficientGoodGoodSatisfactory6180
October 201195.8Not deficientGoodVery GoodSatisfactory5110
October 200995.8Not deficientVery GoodVery GoodGood4730
August 200795.8Not deficientGoodVery GoodVery Good4420
February 200595.8Not deficientGoodVery GoodVery Good4100
August 200295.8Not deficientGoodVery GoodVery Good4190
20000.0Not applicable---21520
August 1998100.0Not deficientVery GoodVery GoodVery Good3586
May 1995100.0Not deficientVery GoodVery GoodVery Good2589
June 1993100.0Not deficientVery GoodVery GoodVery Good7951