C-4-29 over ROCK CR


+34.57614, -82.51808
34°34'34" N, 82°31'05" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:C-4-29 over ROCK CR
Structure number:000000000004451
Old structure number:000490002900100 (from 1992 edition)
Location:8.9 MI NE OF ANDERSON
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:24.9 ft. [7.6 m]
Total length:24.9 ft. [7.6 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:23.6 ft. [7.2 m]
Owner:County Highway Agency [02]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,000 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:75.9
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$131,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactorySatisfactorySatisfactory300075.9
October 2015FairSatisfactorySatisfactorySatisfactory300076.5
October 2013FairSatisfactorySatisfactorySatisfactory290076.5
October 2011FairSatisfactorySatisfactorySatisfactory280076.5
November 2009FairSatisfactorySatisfactorySatisfactory280076.5
June 2008FairGoodFairGood290064.4
June 2006FairGoodFairGood300061.4
August 2004FairGoodFairGood280061.4
June 1998GoodGoodGoodGood175073.0
June 1990GoodGoodGoodGood5085.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.300030000
Steel Protective Coatingsq. ft.591000591
Reinforced Concrete Decksq. ft.588588000
Wearing Surfacessq. ft.550550000
Reinforced Concrete Abutmentlinear ft.5050000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5050000