US421 NBL over SR2110


+35.71604, -79.42916
35°42'58" N, 79°25'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US421 NBL over SR2110
Structure number:000000000370442
Location:1.3 MI. S. JCT. US64
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:71.9 ft. [21.9 m]
Total length:157.2 ft. [47.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1982
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 [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: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 2015]
Truck traffic:14% 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:Superior to present desirable criteria [9]
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:99.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodGoodGoodGood600099.4
April 2015GoodGoodGoodGood465099.6
May 2013GoodGoodGoodGood485099.6
October 2011GoodGoodGoodGood600099.4
October 2009GoodGoodGoodGood550099.5
October 2007FairGoodSatisfactoryGood550099.5
March 2005GoodGoodVery GoodGood550099.5
July 2004FairSatisfactoryVery GoodGood550099.5
September 2002GoodGoodVery GoodGood500099.5
September 2000GoodGoodVery GoodGood480099.6
August 1998GoodGoodVery GoodGood495097.5
August 1990GoodGoodVery GoodGood380091.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.942942000
Steel Protective Coatingsq. ft.9,4089,408000
Reinforced Concrete Decksq. ft.6,2126,1946120
Wearing Surfacessq. ft.6,2745,1609002140
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.8678800
Steel Pileeach1515000
Reinforced Concrete Pier Caplinear ft.1801651140
Concrete Protective Coatingsq. ft.9018693200
Pourable Jointlinear ft.1721551700
Elastomeric Bearingeach2626000
Steel Protective Coatingsq. ft.192192000
Movable Bearingeach1212000
Steel Protective Coatingsq. ft.6060000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.31624412600