I0310 over I310 SB TO US90


+29.89759, -90.40076
29°53'51" N, 90°24'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0310 over I310 SB TO US90
Structure number:024504503803581
Location:0.40 MI. N. OF US 90
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:424.9 ft. [129.5 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:70.9 ft. [21.6 m]
Owner:State Highway Agency [01]
Year built:1986
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:5
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:42,900 [as of 2015]
Truck traffic:7% of total traffic
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:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.8 tons [56.2 metric tons]
Inventory rating:34.9 tons [31.7 metric tons]
Sufficiency rating:97.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201697.8GoodGoodVery GoodVery Good-42900
May 201497.7GoodGoodVery GoodVery Good-41600
June 201297.7GoodGoodVery GoodVery Good-35200
June 201097.7GoodGoodVery GoodVery Good-34600
July 200897.7GoodVery GoodVery GoodVery Good-31200
August 200697.7GoodVery GoodVery GoodVery Good-28500
April 200482.7GoodVery GoodVery GoodVery Good-27400
August 200183.0GoodVery GoodVery GoodVery Good-29928
October 199783.0GoodVery GoodVery GoodVery Good-29928
November 199483.0GoodVery GoodVery GoodVery Good-17000
August 199283.0GoodVery GoodVery GoodVery Good-9712
August 199083.0GoodVery GoodVery GoodVery Good-9712