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 2014 

Status:Open, no restriction [A]
Average daily traffic:41,600 [as of 2014]
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]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:97.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201497.7Not deficientGoodVery GoodVery Good41600
June 201297.7Not deficientGoodVery GoodVery Good35200
June 201097.7Not deficientGoodVery GoodVery Good34600
July 200897.7Not deficientVery GoodVery GoodVery Good31200
August 200697.7Not deficientVery GoodVery GoodVery Good28500
April 200482.7Not deficientVery GoodVery GoodVery Good27400
August 200183.0Not deficientVery GoodVery GoodVery Good29928
October 199783.0Not deficientVery GoodVery GoodVery Good29928
November 199483.0Not deficientVery GoodVery GoodVery Good17000
August 199283.0Not deficientVery GoodVery GoodVery Good9712
August 199083.0Not deficientVery GoodVery GoodVery Good9712