US 129 (NBL)/ SR 1 over SR 419 (I-985 US 23)


+34.28517, -83.80611
34°17'07" N, 83°48'22" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 129 (NBL)/ SR 1 over SR 419 (I-985 US 23)
Structure number:000000013900020
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:141.1 ft. [43.0 m]
Total length:261.2 ft. [79.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:14°
Owner:State Highway Agency [01]
Year built:1968
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:2
Main spans material:Steel continuous [4]
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: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:33,120 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:64.3
Estimated cost of work:$1,530,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201564.3FairSatisfactorySatisfactoryFairFO33120
May 201364.3FairSatisfactorySatisfactoryFairFO33120
May 201176.6FairFairSatisfactorySatisfactoryFO34320
June 200976.6FairFairSatisfactorySatisfactoryFO34320
May 200777.4FairSatisfactorySatisfactorySatisfactoryFO38250
June 200577.7FairSatisfactoryVery GoodGoodFO37610
June 200377.8FairSatisfactoryVery GoodGoodFO37100
June 200178.2FairSatisfactoryVery GoodGoodFO29300
September 199978.2FairSatisfactoryVery GoodGoodFO29300
July 199775.9FairSatisfactoryVery GoodGoodFO29300
May 199574.9FairSatisfactoryGoodVery GoodFO29300
May 199373.0GoodGoodGoodVery GoodFO28220
May 199171.9GoodGoodVery GoodVery GoodFO28220

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,3051,305000
Steel Protective Coatingsq. ft.14,22514,225000
Reinforced Concrete Decksq. ft.9,03109,03100
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.6358500
Reinforced Concrete Pier Caplinear ft.3535000
Pourable Jointlinear ft.56362000
Movable Bearingeach1515000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.522522000
Steel Protective Coatingsq. ft.522522000