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I-20 EB over LAKE SWAMP

Map

Coordinates:
+34.20558, -80.00332
34°12'20" N, 80°00'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 EB over LAKE SWAMP
Structure number:000000000006260
Location:3MI NE OF LAMAR
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:29.9 ft. [9.1 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Owner:State Highway Agency [01]
Year built:1973
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:4
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:15,200 [as of 2017]
Truck traffic:18% 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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
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 (including piles) on dry land well above flood water elevations. [9]
Sufficiency rating:91.5
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$281,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018GoodGoodGoodGood1520091.5
January 2016GoodGoodGoodGood1345091.7
January 2014GoodGoodGoodGood1310091.7