US-ALT-1 (SR-115) over US-17 (SR-5)


+30.35634, -81.65389
30°21'23" N, 81°39'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-ALT-1 (SR-115) over US-17 (SR-5)
Structure number:720036
Location:US-ALT-1 / MAIN ST.
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:75.1 ft. [22.9 m]
Total length:148.0 ft. [45.1 m]
Roadway width between curbs:97.8 ft. [29.8 m]
Deck width edge-to-edge:103.4 ft. [31.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
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: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:51,000 [as of 2016]
Truck traffic:12% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:93.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairSatisfactoryGoodGood5100093.0
March 2015FairSatisfactoryGoodVery Good4050098.0
March 2013FairSatisfactoryGoodVery Good4200098.0
March 2011FairSatisfactoryGoodVery Good4500098.0
March 2009FairSatisfactoryGoodVery Good4850098.0
March 2007GoodGoodGoodVery Good4950098.0
March 2005GoodGoodGoodVery Good5200098.0
March 2003GoodGoodGoodVery Good5800098.0
April 2001GoodGoodGoodVery Good5350098.0
April 1999GoodGoodGoodGood5050089.0
April 1997GoodGoodGoodGood5950087.0
April 1995GoodGoodGoodGood6150082.0
March 1993GoodGoodGoodVery Good5599082.0
May 1991GoodGoodGoodVery Good5513082.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,5202,4853410
Reinforced Concrete Decksq. ft.15,29610,2845,001110
Reinforced Concrete Columneach1211010
Reinforced Concrete Abutmentlinear ft.207200520
Reinforced Concrete Pier Caplinear ft.203203000
Pourable Jointlinear ft.4132001010112
Elastomeric Bearingeach96160800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.444444000