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I 20 over VALLEY ST/LYNCH CREEK

Map

Coordinates:
+32.28558, -90.21511
32°17'08" 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:11000200250441A
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:100.1 ft. [30.5 m]
Total length:1286.2 ft. [392.0 m]
Roadway width between curbs:60.4 ft. [18.4 m]
Deck width edge-to-edge:63.7 ft. [19.4 m]
Vertical clearance below bridge:20.7 ft. [6.3 m]
Skew angle:36°
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:20
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:Fair
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:Fair [5 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Superior to present desirable criteria [9]
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:61.7 tons [56.1 metric tons]
Inventory rating:37.1 tons [33.7 metric tons]
Sufficiency rating:75.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201675.6FairGoodFairVery Good-37000
August 201573.5FairGoodFairVery Good-55000
August 201476.7FairGoodFairVery Good-55000
July 201376.7FairGoodFairVery Good-55000
August 201276.7FairGoodFairVery Good-55000
August 201088.1GoodGoodVery GoodVery Good-38000
June 200888.0GoodGoodVery GoodVery Good-38500
June 200688.8GoodGoodVery GoodVery Good-43500
October 200490.6GoodGoodVery GoodVery Good-48500
August 200289.0GoodGoodVery GoodVery Good-40000
September 200087.8GoodGoodVery GoodVery Good-31000
September 199887.8GoodGoodVery 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.10,30810,17375600
Steel Protective Coatingsq. ft.186,727186,5170105105
Deck
Reinforced Concrete Decksq. ft.81,85380,95309000
Wearing Surfacessq. ft.81,85381,853000
Substructure
Reinforced Concrete Columneach148148000
Reinforced Concrete Abutmentlinear ft.210210000
Reinforced Concrete Pier Caplinear ft.1,2701,2502000
Joints
Compression Jointlinear ft.863863000
Bearings
Elastomeric Bearingeach104104000
Movable Bearingeach218213500
Steel Protective Coatingsq. ft.218000218
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,5722,571100