I485 EBL over I77


+35.36368, -80.84186
35°21'49" N, 80°50'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I485 EBL over I77
Structure number:000000001190965
Location:0.2 MI. W. JCT. US21
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:134.8 ft. [41.1 m]
Total length:377.0 ft. [114.9 m]
Roadway width between curbs:59.1 ft. [18.0 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Number of main spans:3
Main spans material:Steel continuous [4]
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: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:28,000 [as of 2015]
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]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodGoodGoodGood2800098.0
April 2015FairSatisfactoryGoodGood1700098.0
April 2013GoodGoodGoodGood13500100.0
April 2011GoodGoodGoodGood1200092.0
May 2009GoodVery GoodExcellentExcellent31550100.0
December 2008GoodExcellentExcellentExcellent31550100.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,2442,244000
Steel Protective Coatingsq. ft.35,37635,376000
Reinforced Concrete Decksq. ft.23,27121,2312,04000
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.152579500
Reinforced Concrete Pile Cap/Footinglinear ft.2020000
Steel Pileeach1818000
Prestressed Concrete Pier Caplinear ft.73532000
Concrete Protective Coatingsq. ft.1,0431,0331000
Reinforced Concrete Pier Caplinear ft.1961781800
Concrete Protective Coatingsq. ft.1,1211,121000
Compression Jointlinear ft.126685800
Elastomeric Bearingeach66000
Steel Protective Coatingsq. ft.1212000
Pot Bearingeach1861200
Steel Protective Coatingsq. ft.36120240
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.75841834000