+32.27623, -90.19308
32°16'34" N, 90°11'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:10000200250460B
Location:UNDER I 20 W BRIDGE 45.8
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:50.9 ft. [15.5 m]
Total length:206.0 ft. [62.8 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1964
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:4
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: August 2016 

Status:Open, no restriction [A]
Average daily traffic:3,050 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:64.0 tons [58.2 metric tons]
Inventory rating:58.1 tons [52.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.6
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$270,000,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201679.6Functionally obsoleteVery GoodVery GoodVery Good3050
August 201479.8Functionally obsoleteVery GoodVery GoodVery Good3700
August 201279.8Functionally obsoleteVery GoodVery GoodVery Good3700
July 201079.8Functionally obsoleteVery GoodVery GoodVery Good3700
June 200877.8Functionally obsoleteVery GoodVery GoodVery Good3700
June 200677.8Functionally obsoleteVery GoodVery GoodVery Good3700
October 200477.8Functionally obsoleteVery GoodVery GoodVery Good3200
August 200277.9Functionally obsoleteVery GoodVery GoodVery Good2400
September 200077.7Functionally obsoleteVery GoodVery GoodVery Good5000
September 199877.7Functionally obsoleteVery GoodVery GoodVery Good5000
November 199677.4Functionally obsoleteVery GoodVery GoodVery Good5000
February 199575.4Functionally obsoleteVery GoodVery GoodVery Good6460
April 199175.4Functionally obsoleteVery GoodVery GoodVery Good5870