US421 NC87 SBL COL over US1 US15/501 NC87 BUS


+35.51084, -79.18797
35°30'39" N, 79°11'17" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US421 NC87 SBL COL over US1 US15/501 NC87 BUS
Structure number:000000001050118
Location:0.45 MI. W. JCT. US1 BUS
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:101.1 ft. [30.8 m]
Total length:207.0 ft. [63.1 m]
Roadway width between curbs:37.4 ft. [11.4 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:2007
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:2
Main spans material:Prestressed concrete continuous [6]
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: October 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 2013]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018GoodGoodGoodGood6000100.0
October 2016FairSatisfactoryGoodGood600095.0
October 2014FairSatisfactoryGoodGood600095.0
October 2012GoodGoodGoodGood100089.0
October 2010GoodExcellentExcellentExcellent100096.0
August 2008GoodExcellentExcellentExcellent100096.0
January 2007GoodExcellentExcellentExcellent100096.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,0251,025000
Reinforced Concrete Decksq. ft.8,3777,40297500
Reinforced Concrete Columneach33000
Reinforced Concrete Abutmentlinear ft.1301191100
Steel Pileeach2424000
Reinforced Concrete Pier Caplinear ft.133133000
Pourable Jointlinear ft.123123000
Elastomeric Bearingeach2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4164001600