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I 20 over VALLEY ST/ LYNCH CREEK

Map

Coordinates:
+32.28512, -90.21513
32°17'06" N, 90°12'54" 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:16.1 ft. [4.9 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: August 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:37,000 [as of 2014]
Truck traffic:13% 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]
Operating rating:63.5 tons [57.7 metric tons]
Inventory rating:38.1 tons [34.6 metric tons]
Sufficiency rating:89.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201689.3GoodGoodGoodGood-37000
August 201589.3GoodGoodGoodGood-37000
August 201490.6GoodGoodGoodVery Good-47500
July 201390.6GoodGoodGoodVery Good-47500
July 201290.6GoodGoodGoodVery Good-47500
August 201091.1GoodGoodVery GoodVery Good-38000
June 200890.2GoodGoodVery GoodVery Good-35500
June 200690.8GoodGoodVery GoodVery Good-43500
October 200490.6GoodGoodVery GoodVery Good-48500
August 200291.0GoodGoodVery GoodVery Good-40000
September 200089.9GoodGoodVery GoodVery Good-31000
September 199889.9GoodGoodVery GoodVery Good-31000
April 199789.9GoodVery GoodVery GoodVery Good-31000
January 199590.2GoodVery GoodVery GoodVery Good-35500
April 199190.6GoodVery GoodVery GoodVery Good-30500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.7,8977,895200
Steel Protective Coatingsq. ft.141,1050141,10500
Deck
Reinforced Concrete Decksq. ft.61,90561,897800
Wearing Surfacessq. ft.61,90561,8555000
Substructure
Reinforced Concrete Columneach7171000
Reinforced Concrete Abutmentlinear ft.213213000
Reinforced Concrete Pier Caplinear ft.9809404000
Joints
Compression Jointlinear ft.595595000
Bearings
Elastomeric Bearingeach7070000
Movable Bearingeach172169300
Steel Protective Coatingsq. ft.172000172
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,2202,220000