+35.54533, -79.25324
35°32'43" N, 79°15'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US421 S over DEEP RIVER
Structure number:000000000370050
Location:0.9 MI. S. JCT. SR2146
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:51.8 ft. [15.8 m]
Total length:480.0 ft. [146.3 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Owner:State Highway Agency [01]
Year built:1973
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:8
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: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,500 [as of 2010]
Truck traffic:14% of total traffic
Deck condition:Fair [5 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]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:95.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairFairSatisfactorySatisfactory650095.4
August 2016FairFairFairFair650084.3
August 2014FairFairFairFair550087.4
August 2012FairFairFairFair500087.5
September 2010FairFairSatisfactoryFair550087.4
September 2008FairFairSatisfactoryFair600087.4
August 2006FairFairSatisfactoryFair550087.4
May 2004FairFairSatisfactoryFair550087.4
June 2002FairFairSatisfactorySatisfactory550098.5
June 2000FairFairSatisfactorySatisfactory550098.5
March 1998FairFairSatisfactorySatisfactory400096.6
March 1990FairSatisfactoryVery GoodSatisfactory300097.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,9042,8821570
Reinforced Concrete Decksq. ft.20,4448,77810,8658010
Reinforced Concrete Columneach40130
Reinforced Concrete Abutmentlinear ft.8679700
Reinforced Concrete Pile Cap/Footinglinear ft.9696000
Steel Pileeach72521280
Steel Protective Coatingsq. ft.17,02516,91211120
Reinforced Concrete Pier Caplinear ft.455246174350
Pourable Jointlinear ft.21512547430
Movable Bearingeach120118110
Steel Protective Coatingsq. ft.312309030
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.968775182110