US-ALT-1 (SR-115) over LIBERTY ST.


+30.35611, -81.64924
30°21'22" N, 81°38'57" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-ALT-1 (SR-115) over LIBERTY ST.
Structure number:720054
Location:US-1A (SR-115)/LIBERTY ST
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:64.0 ft. [19.5 m]
Total length:141.1 ft. [43.0 m]
Roadway width between curbs:86.3 ft. [26.3 m]
Deck width edge-to-edge:91.2 ft. [27.8 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: July 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:51,000 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Good [7 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:95.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$215,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017GoodGoodGoodGood5100095.0
July 2015GoodGoodGoodGood3750095.0
July 2013GoodGoodGoodGood33500100.0
July 2011GoodGoodGoodGood41500100.0
July 2009GoodGoodGoodGood47000100.0
July 2007GoodGoodGoodGood52000100.0
July 2005GoodGoodGoodGood49000100.0
July 2003GoodGoodVery GoodGood51500100.0
July 2001FairSatisfactoryVery GoodGood5200099.0
August 1999FairSatisfactoryVery GoodGood5050089.0
August 1997FairSatisfactoryVery GoodGood5200092.0
September 1995GoodGoodVery GoodGood3700087.0
September 1993FairSatisfactoryVery GoodGood4530587.0
November 1991GoodGoodVery GoodGood5468287.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,8211,814070
Reinforced Concrete Decksq. ft.12,87011,53201,3380
Reinforced Concrete Columneach1210020
Reinforced Concrete Abutmentlinear ft.1821463150
Reinforced Concrete Pier Caplinear ft.175175000
Pourable Jointlinear ft.3432479600
Elastomeric Bearingeach76146200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.423423000