Share:

S-31-29 over I-20

Map

Coordinates:
+34.19746, -80.33932
34°11'51" N, 80°20'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S-31-29 over I-20
Structure number:000000000006151
Old structure number:003170002900200 (from 1992 edition)
Location:7 MI SW BISHOPVILLE
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:88.9 ft. [27.1 m]
Total length:253.0 ft. [77.1 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:38.1 ft. [11.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1972
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,050 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:93.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactorySatisfactorySatisfactory105093.6
August 2015GoodGoodGoodGood80093.6
September 2013GoodGoodGoodGood100093.6
September 2011GoodGoodGoodGood105093.6
August 2009PoorPoorGoodGood100090.6
July 2007PoorPoorGoodGood110090.5
August 2005PoorPoorFairGood100079.5
August 1999FairFairFairGood75080.7
July 1991FairSatisfactoryFairGood48574.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,26511,1381260
Steel Protective Coatingsq. ft.10,75310,753000
Deck
Reinforced Concrete Decksq. ft.9,614009,6140
Substructure
Reinforced Concrete Columneach90900
Reinforced Concrete Pier Caplinear ft.1930168250
Joints
Pourable Jointlinear ft.116011600
Bearings
Movable Bearingeach2002000
Steel Protective Coatingsq. ft.10,75310,753000
Fixed Bearingeach2002000
Steel Protective Coatingsq. ft.10,75310,753000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.506050600
Steel Protective Coatingsq. ft.10,75310,753000
Reinforced Concrete Bridge Raillinear ft.506050600