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I 20 over VALLEY ST/ LYNCH CREEK

Map

Coordinates:
+32.28541, -90.21543
32°17'07" N, 90°12'56" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 20 over VALLEY ST/ LYNCH CREEK
Structure number:11000200250441B
Location:3.2 MI E SR 18
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:96.1 ft. [29.3 m]
Total length:1110.0 ft. [338.3 m]
Roadway width between curbs:52.5 ft. [16.0 m]
Deck width edge-to-edge:55.8 ft. [17.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:17
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:45,000 [as of 2016]
Truck traffic:11% 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:Equal to present minimum criteria [6]
Underclearances appraisal:Better than present minimum criteria [7]
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]
Sufficiency rating:88.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017GoodGoodGoodGood4500088.5
August 2016GoodGoodGoodGood3700089.3
August 2015GoodGoodGoodGood3700089.3
August 2014GoodGoodGoodVery Good4750090.6
July 2013GoodGoodGoodVery Good4750090.6
July 2012GoodGoodGoodVery Good4750090.6
August 2010GoodGoodVery GoodVery Good3800091.1
June 2008GoodGoodVery GoodVery Good3550090.2
June 2006GoodGoodVery GoodVery Good4350090.8
October 2004GoodGoodVery GoodVery Good4850090.6
August 2002GoodGoodVery GoodVery Good4000091.0
September 2000GoodGoodVery GoodVery Good3100089.9
September 1998GoodGoodVery GoodVery Good3100089.9
April 1997GoodVery GoodVery GoodVery Good3100089.9
January 1995GoodVery GoodVery GoodVery Good3550090.2
April 1991GoodVery GoodVery GoodVery Good3050090.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.7,7697,767200
Steel Protective Coatingsq. ft.141,10500141,1050
Deck
Reinforced Concrete Decksq. ft.61,90061,892800
Wearing Surfacessq. ft.62,90062,900000
Substructure
Reinforced Concrete Columneach7171000
Reinforced Concrete Abutmentlinear ft.213213000
Reinforced Concrete Pier Caplinear ft.9809304550
Joints
Strip Seal Jointlinear ft.595595000
Bearings
Elastomeric Bearingeach7070000
Movable Bearingeach172041680
Steel Protective Coatingsq. ft.172000172
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,2202,2081200