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


+30.31389, -81.70417
30°18'50" 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:20.0 ft. [6.1 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 2014 

Status:Open, no restriction [A]
Average daily traffic:45,500 [as of 2013]
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]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:35.9 tons [32.6 metric tons]
Sufficiency rating:68.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201468.5Not deficientSatisfactoryGoodGood45500
November 201267.0Not deficientSatisfactoryGoodGood53000
November 201065.4Not deficientSatisfactoryGoodGood48500
November 200865.4Not deficientSatisfactoryGoodGood48500
November 200665.8Not deficientSatisfactoryGoodGood47000
November 200465.4Not deficientSatisfactoryVery GoodGood48500
November 200266.4Not deficientGoodVery GoodGood49000
November 200066.7Not deficientGoodVery GoodGood48000
January 199984.8Not deficientGoodVery GoodVery Good46000
January 199781.5Not deficientGoodVery GoodVery Good48000
January 199576.3Not deficientGoodGoodVery Good47000
January 199377.3Not deficientGoodGoodVery Good38285
February 199175.8Not deficientGoodGoodGood39705