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HWY NEPNST V PKY over WATER NEPONSET RIVER

Suffolk County, Massachusetts

Map

Coordinates:
+42.23444, -71.12278
42°14'04" N, 71°07'22" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:HWY NEPNST V PKY over WATER NEPONSET RIVER
Structure number:B160274F9DOTNBI
Old structure number:4F9MDC896071100 (from 1992 edition)
Location:.16 KM E OF TRUMAN HWY
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:20.0 ft. [6.1 m]
Total length:68.9 ft. [21.0 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:53.2 ft. [16.2 m]
Owner:State Highway Agency [01]
Year built:1849
Year reconstructed:1932
Historic significance:Bridge is on the National Register of Historic Places [1]
Number of main spans:3
Main spans material:Masonry [8]
Main spans design:Arch - Deck [11]
Deck type:Not applicable [N]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:25,600 [as of 2017]
Truck traffic:4% of total traffic
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:24.9 tons [22.6 metric tons]
Inventory rating:24.9 tons [22.6 metric tons]
Sufficiency rating:61.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,915,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201761.5Fair-SatisfactoryFair-25600
February 201560.8Fair-SatisfactoryFair-28600
February 201360.8Fair-SatisfactoryFair-28600
February 201167.5Fair-SatisfactoryFair-22500
October 200867.5Fair-SatisfactoryFair-22500
October 199872.6Good-GoodGood-19900
October 199672.6Good-GoodGood-19900