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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:53,000 [as of 2015]
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:67.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201667.0FairSatisfactoryGoodGood-53000
November 201468.5FairSatisfactoryGoodGood-45500
November 201267.0FairSatisfactoryGoodGood-53000
November 201065.4FairSatisfactoryGoodGood-48500
November 200865.4FairSatisfactoryGoodGood-48500
November 200665.8FairSatisfactoryGoodGood-47000
November 200465.4FairSatisfactoryVery GoodGood-48500
November 200266.4GoodGoodVery GoodGood-49000
November 200066.7GoodGoodVery GoodGood-48000
January 199984.8GoodGoodVery GoodVery Good-46000
January 199781.5GoodGoodVery GoodVery Good-48000
January 199576.3GoodGoodGoodVery Good-47000
January 199377.3GoodGoodGoodVery Good-38285
February 199175.8GoodGoodGoodGood-39705

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.3,7403,736400
Reinforced Concrete Decksq. ft.25,78224,4931,28900
Reinforced Concrete Abutmentlinear ft.1381167150
Reinforced Concrete Pileeach1818000
Reinforced Concrete Pier Caplinear ft.3613412000
Pourable Jointlinear ft.525400113012
Open Jointlinear ft.75651000
Movable Bearingeach6106100
Steel Protective Coatingsq. ft.1,0001,000000
Fixed Bearingeach6106100
Steel Protective Coatingsq. ft.1,0001,000000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,6721,672000
Steel Protective Coatingsq. ft.1,0001,000000
Other Material Bridge Raillinear ft.8368112500