US-ALT-17 (SR-15A) over POST ST. & CSXRR


+30.31364, -81.70403
30°18'49" N, 81°42'15" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-ALT-17 (SR-15A) over POST ST. & CSXRR
Structure number:720078
Location:US-17A / POST ST. & CSXRR
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:73.2 ft. [22.3 m]
Total length:418.0 ft. [127.4 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:61.7 ft. [18.8 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:7
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: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:53,000 [as of 2017]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:67.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairSatisfactoryGoodGood5300067.0
November 2016FairSatisfactoryGoodGood5300067.0
November 2014FairSatisfactoryGoodGood4550068.5
November 2012FairSatisfactoryGoodGood5300067.0
November 2010FairSatisfactoryGoodGood4850065.4
November 2008FairSatisfactoryGoodGood4850065.4
November 2006FairSatisfactoryGoodGood4700065.8
November 2004FairSatisfactoryVery GoodGood4850065.4
November 2002GoodGoodVery GoodGood4900066.4
November 2000GoodGoodVery GoodGood4800066.7
January 1999GoodGoodVery GoodVery Good4600084.8
January 1997GoodGoodVery GoodVery Good4800081.5
January 1995GoodGoodGoodVery Good4700076.3
January 1993GoodGoodGoodVery Good3828577.3
February 1991GoodGoodGoodGood3970575.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.3,7403,736400
Reinforced Concrete Decksq. ft.25,78113,33812,422210
Reinforced Concrete Columneach1870110
Reinforced Concrete Abutmentlinear ft.1381134210
Reinforced Concrete Pier Caplinear ft.3613332260
Pourable Jointlinear ft.55128826210
Assembly without Seal Jointlinear ft.51302100
Movable Bearingeach61040210
Steel Protective Coatingsq. ft.61040210
Fixed Bearingeach612020210
Steel Protective Coatingsq. ft.610202021
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,6721,672000
Steel Protective Coatingsq. ft.3,3443,344000
Other Material Bridge Raillinear ft.83680023130