+34.79903, -79.52378
34°47'57" N, 79°31'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US74 over GUM SWAMP
Structure number:000000001650029
Old structure number:000000000165029 (from 1992 edition)
Location:0.15 MI. W. JCT. SR1304
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:9.8 ft. [3.0 m]
Total length:44.0 ft. [13.4 m]
Skew angle:44°
Owner:State Highway Agency [01]
Year built:1970
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:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:23,000 [as of 2015]
Truck traffic:12% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:68.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2017Fair5 out of 102300068.9
October 2015Fair5 out of 101900068.2
October 2013Fair5 out of 101900068.2
October 2011Fair5 out of 101900068.2
October 2009Fair6 out of 101800079.9
September 2008Fair6 out of 101900079.8
July 2006Fair5 out of 102100067.8
December 2003Fair5 out of 102100067.8
December 2001Fair5 out of 101900068.2
December 1999Fair5 out of 102400067.1
December 1997Fair5 out of 101825068.3
November 1995Fair5 out of 101525068.7
November 1993Fair5 out of 101410069.0
October 1991Fair5 out of 101425068.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.435043230