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US421 over WILLIAMS OLD MILL BRANCH

Map

Coordinates:
+35.00819, -78.34133
35°00'29" N, 78°20'29" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:US421 over WILLIAMS OLD MILL BRANCH
Structure number:000000001630387
Location:0.2 MI. S. OF JCT. SR1839
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:7.9 ft. [2.4 m]
Total length:26.9 ft. [8.2 m]
Owner:State Highway Agency [01]
Year built:1977
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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:9,500 [as of 2012]
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Operating rating:45.9 tons [41.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:60.6

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
October 201560.6Fair5 out of 10-9500
November 201360.6Fair5 out of 10-9500
November 201166.4Fair5 out of 10-5900
November 200974.7Fair6 out of 10-9500
February 200874.7Fair6 out of 10-9500
July 200474.3Fair6 out of 10-9900
August 200274.4Fair6 out of 10-9800
June 200075.8Fair6 out of 10-8500
May 199872.1Fair6 out of 10-11900
June 199076.8Fair6 out of 10-7500