I0310 over I-10/I-310/SWAMP


+30.00149, -90.29439
30°00'05" N, 90°17'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over I-10/I-310/SWAMP
Structure number:024504503600408
Location:0.4 M SOUTH OF I-10
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:80.1 ft. [24.4 m]
Total length:4815.2 ft. [1467.6 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Vertical clearance below bridge:16.7 ft. [5.1 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:66
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 

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:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:64.4 tons [58.5 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:95.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201595.7Not deficientGoodVery GoodVery Good6370
September 201395.7Not deficientGoodVery GoodVery Good6180
October 201195.7Not deficientVery GoodVery GoodVery Good5110
November 200995.7Not deficientVery GoodVery GoodVery Good4730
August 200795.7Not deficientVery GoodVery GoodVery Good4420
December 200296.0Not deficientVery GoodVery GoodVery Good4190
August 199998.0Not deficientVery GoodVery GoodVery Good4344
December 199698.0Not deficientVery GoodVery GoodVery Good3422
April 199498.0Not deficientVery Good--4450
199395.0Not deficient---7951