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


+30.35583, -81.64917
30°21'21" 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:14.4 ft. [4.4 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 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:37,500 [as of 2014]
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]
Operating rating:69.1 tons [62.8 metric tons]
Inventory rating:43.6 tons [39.6 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201595.0GoodGoodGoodGood-37500
July 2013100.0GoodGoodGoodGood-33500
July 2011100.0GoodGoodGoodGood-41500
July 2009100.0GoodGoodGoodGood-47000
July 2007100.0GoodGoodGoodGood-52000
July 2005100.0GoodGoodGoodGood-49000
July 2003100.0GoodGoodVery GoodGood-51500
July 200199.0FairSatisfactoryVery GoodGood-52000
August 199989.0FairSatisfactoryVery GoodGoodFO50500
August 199792.0FairSatisfactoryVery GoodGood-52000
September 199587.0GoodGoodVery GoodGoodFO37000
September 199387.0FairSatisfactoryVery GoodGoodFO45305
November 199187.0GoodGoodVery GoodGoodFO54682

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.1,8211,811460
Reinforced Concrete Decksq. ft.12,87012,22764300
Reinforced Concrete Abutmentlinear ft.1821473140
Reinforced Concrete Pileeach1210200
Reinforced Concrete Pier Caplinear ft.175175000
Pourable Jointlinear ft.3433331000
Elastomeric Bearingeach76146200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.423423000