US421 SBL over SR2110


+35.71603, -79.42949
35°42'58" N, 79°25'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US421 SBL over SR2110
Structure number:000000000370443
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:150.9 ft. [46.0 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:16.7 ft. [5.1 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:MS 18+Mod / HS 20+Mod [6]
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 2015 

Status:Open, no restriction [A]
Average daily traffic:4,650 [as of 2013]
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]
Operating rating:87.8 tons [79.8 metric tons]
Inventory rating:52.9 tons [48.1 metric tons]
Sufficiency rating:99.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201599.6Not deficientGoodGoodGood4650
May 201399.6Not deficientGoodGoodGood4850
May 201199.5Not deficientGoodGoodGood5500
May 200999.5Not deficientSatisfactoryVery GoodGood5500
April 200799.5Not deficientSatisfactoryVery GoodGood5500
May 200599.5Not deficientSatisfactoryGoodGood5500
July 200499.5Not deficientSatisfactoryVery GoodGood5000
September 200299.5Not deficientSatisfactoryVery GoodGood5000
September 200099.6Not deficientSatisfactoryVery GoodGood4800
August 199897.5Not deficientSatisfactoryVery GoodGood4950
August 199097.6Not deficientGoodVery GoodGood7600