I0310 over I 310 N FROM US 90


+29.89754, -90.39914
29°53'51" N, 90°23'57" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over I 310 N FROM US 90
Structure number:024504503803582
Location:0.60 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:915.1 ft. [278.9 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:12
Main spans material:Prestressed concrete continuous [6]
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: July 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:Good [7 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]
Scour condition:Bridge not over waterway. [N]
Operating rating:63.8 tons [58.0 metric tons]
Inventory rating:38.0 tons [34.5 metric tons]
Sufficiency rating:98.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201698.0GoodGoodGoodVery Good-42900
July 201498.0GoodGoodGoodVery Good-41600
August 201298.0GoodGoodVery GoodVery Good-35200
August 201098.0GoodVery GoodVery GoodVery Good-34600
August 200898.0GoodVery GoodGoodVery Good-31200
August 200698.0GoodVery GoodGoodVery Good-28500
April 200483.0GoodVery GoodVery GoodVery Good-27400
August 200183.0GoodVery GoodVery GoodVery Good-29928
November 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