SR1310 over US421 NBL


+35.77764, -79.50304
35°46'40" N, 79°30'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR1310 over US421 NBL
Structure number:000000000370475
Location:0.8 MI.N.JCT.US421 BUS.
Purpose:Carries highway over highway
Route classification:Local (Rural) [09]
Length of largest span:55.1 ft. [16.8 m]
Total length:128.0 ft. [39.0 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:14°
Owner:State Highway Agency [01]
Year built:1996
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: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 2015 

Status:Open, no restriction [A]
Average daily traffic:300 [as of 2012]
Truck traffic:6% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:79.9 tons [72.6 metric tons]
Inventory rating:47.9 tons [43.5 metric tons]
Sufficiency rating:93.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201593.4Not deficientGoodGoodGood300
August 201393.4Not deficientGoodGoodGood300
August 201192.4Not deficientFairGoodGood280
August 200993.4Not deficientSatisfactoryGoodVery Good340
August 200793.4Not deficientSatisfactoryGoodVery Good310
September 200593.4Not deficientSatisfactoryGoodVery Good340
August 200393.4Not deficientSatisfactoryVery GoodVery Good420
September 200193.4Not deficientSatisfactoryVery GoodVery Good390
September 200093.4Not deficientSatisfactoryVery GoodVery Good390
August 199999.0Not deficientSatisfactoryVery GoodVery Good70