I-77 SB over Mercer County Route 3


+37.47035, -81.06728
37°28'13" N, 81°04'02" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-77 SB over Mercer County Route 3
Structure number:00000000028A209
Location:2.77 MI S OF US 19
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Tolls:Yes, on Interstate toll segment under Secretarial Agreement [4]
Length of largest span:50.9 ft. [15.5 m]
Total length:125.0 ft. [38.1 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:44.6 ft. [13.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Toll Authority [31]
Year built:1979
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel continuous [4]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,041 [as of 2013]
Truck traffic:23% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactorySatisfactorySatisfactory1604198.0
October 2016FairSatisfactorySatisfactoryGood1604198.0
October 2014FairSatisfactoryGoodSatisfactory1604198.0
September 2012FairSatisfactoryGoodSatisfactory1250098.0
September 2011FairSatisfactoryGoodGood1550097.3
September 2010FairSatisfactoryGoodGood1550095.7
September 2008GoodGoodVery GoodVery Good1440095.9
September 2006GoodGoodVery GoodVery Good1440095.9
September 2004GoodGoodVery GoodVery Good1440095.9
September 2002GoodGoodVery GoodVery Good1350095.9
September 2000GoodGoodVery GoodVery Good1350095.9
September 1998GoodGoodVery GoodVery Good1100097.0
September 1996GoodGoodVery GoodVery Good1100097.0
September 1994GoodGoodVery GoodVery Good1100097.2
September 1992GoodGoodVery GoodVery Good2000096.5
October 1990GoodGoodVery GoodVery Good2000096.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.726544145370
Steel Protective Coatingsq. ft.6,6005,1101,49000
Reinforced Concrete Decksq. ft.5,1004,82727300
Wearing Surfacessq. ft.5,1004,99100109
Reinforced Concrete Pier Walllinear ft.4441300
Reinforced Concrete Abutmentlinear ft.90504000
Concrete Protective Coatingsq. ft.90056034000
Reinforced Concrete Pier Caplinear ft.88662200
Compression Jointlinear ft.821040032
Movable Bearingeach188550
Fixed Bearingeach64200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.24211612150
Concrete Protective Coatingsq. ft.1,0801,080000