I77 RAMP over SR1128


+35.11518, -80.92494
35°06'55" N, 80°55'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I77 RAMP over SR1128
Structure number:000000001190601
Location:1.8 MI. S. JCT. SR1138
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:120.1 ft. [36.6 m]
Total length:175.9 ft. [53.6 m]
Roadway width between curbs:47.6 ft. [14.5 m]
Deck width edge-to-edge:50.9 ft. [15.5 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1992
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2014 

Status:Open, no restriction [A]
Average daily traffic:21,750 [as of 2012]
Truck traffic:16% 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:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:96.8 tons [88.0 metric tons]
Inventory rating:57.9 tons [52.6 metric tons]
Sufficiency rating:98.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201498.0Not deficientGoodGoodGood21750
August 201298.0Not deficientGoodGoodGood11500
August 201098.0Not deficientGoodVery GoodGood31250
September 200898.0Not deficientGoodVery GoodGood20500
September 200698.0Not deficientGoodVery GoodVery Good20500
August 200498.0Not deficientVery GoodVery GoodVery Good20500
April 200298.0Not deficientVery GoodVery GoodExcellent19500
March 200098.0Not deficientVery GoodVery GoodExcellent3470
January 199893.0Not deficientVery GoodVery GoodExcellent3470