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


+30.35611, -81.65389
30°21'22" 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:14.8 ft. [4.5 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: March 2015 

Status:Open, no restriction [A]
Average daily traffic:40,500 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 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]
Operating rating:90.9 tons [82.6 metric tons]
Inventory rating:54.5 tons [49.5 metric tons]
Sufficiency rating:98.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201598.0Not deficientSatisfactoryGoodVery Good40500
March 201398.0Not deficientSatisfactoryGoodVery Good42000
March 201198.0Not deficientSatisfactoryGoodVery Good45000
March 200998.0Not deficientSatisfactoryGoodVery Good48500
March 200798.0Not deficientGoodGoodVery Good49500
March 200598.0Not deficientGoodGoodVery Good52000
March 200398.0Not deficientGoodGoodVery Good58000
April 200198.0Not deficientGoodGoodVery Good53500
April 199989.0Not deficientGoodGoodGood50500
April 199787.0Functionally obsoleteGoodGoodGood59500
April 199582.0Functionally obsoleteGoodGoodGood61500
March 199382.0Functionally obsoleteGoodGoodVery Good55990
May 199182.0Functionally obsoleteGoodGoodVery Good55130