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I0020 over I-20 RAMP W-S, MKT ST.

Map 

Coordinates:
+32.50960, -93.74316
32°30'35" N, 93°44'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I0020 over I-20 RAMP W-S, MKT ST.
Structure number:040904510118617
Location:1.25 MI EAST OF US 80
Purpose:Carries highway overpass over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:164.1 ft. [50.0 m]
Total length:3176.0 ft. [968.0 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:13°
Owner:State Highway Agency [01]
Year built:1985
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:10
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:9,620 [as of 2015]
Truck traffic:29% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:63.4 tons [57.6 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:74.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$12,385,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201574.8Functionally obsoleteGoodGoodGood9620
June 201476.3Functionally obsoleteGoodGoodGood13690
March 201276.8Functionally obsoleteGoodGoodGood9970
March 201076.8Functionally obsoleteGoodGoodGood9550
February 200877.1Functionally obsoleteVery GoodGoodVery Good7720
March 200677.2Functionally obsoleteVery GoodGoodVery Good6960
March 200477.1Functionally obsoleteVery GoodGoodVery Good7330
April 200276.9Functionally obsoleteVery GoodGoodVery Good8680
April 200079.0Functionally obsoleteVery GoodGoodVery Good8100
20000.0Not applicable---81002
March 199879.0Functionally obsoleteVery GoodGoodVery Good8100
May 199679.6Functionally obsoleteVery GoodGoodVery Good3128
April 199579.4Functionally obsoleteVery GoodGoodVery Good5863
May 199479.5Functionally obsoleteVery GoodVery GoodVery Good5154
March 199279.3Not deficientVery GoodVery GoodVery Good7342