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SR 18 over ROBINSON RD, LYNCH ST

Map

Coordinates:
+32.29725, -90.26178
32°17'50" N, 90°15'42" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 18 over ROBINSON RD, LYNCH ST
Structure number:31000180250561B
Location:0.4 MI E I 20
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:69.9 ft. [21.3 m]
Total length:573.2 ft. [174.7 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Vertical clearance below bridge:9.8 ft. [3.0 m]
Owner:State Highway Agency [01]
Year built:1967
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:9
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: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Good [7 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 corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:72.6
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$535,000,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodGoodVery GoodVery Good1100072.6
June 2014GoodGoodVery GoodVery Good1750071.8
May 2012GoodGoodVery GoodVery Good1600071.9
May 2010GoodGoodVery GoodVery Good1500072.1
May 2008GoodVery GoodVery GoodVery Good1550072.0
October 2006GoodVery GoodVery GoodVery Good1550072.0
July 2004GoodVery GoodVery GoodVery Good1300073.3
August 2002GoodVery GoodVery GoodVery Good1400073.2
August 2000GoodVery GoodVery GoodVery Good1150073.5
July 1998GoodVery GoodVery GoodVery Good1150075.6
September 1996GoodVery GoodVery GoodVery Good115079.4
December 1994GoodVery GoodVery GoodVery Good1000072.0
February 1993GoodVery GoodVery GoodVery Good1326071.6
March 1991GoodVery GoodVery GoodVery Good1084071.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,6152,5723850
Deck
Reinforced Concrete Decksq. ft.18,805018,80500
Substructure
Reinforced Concrete Columneach1919000
Reinforced Concrete Abutmentlinear ft.256256000
Reinforced Concrete Pier Caplinear ft.252249300
Joints
Pourable Jointlinear ft.308308000
Bearings
Elastomeric Bearingeach8282000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,1461,146000
Reinforced Concrete Bridge Raillinear ft.1,1461,146000