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HWY ADAMS ST over WATER NEPONSET RIVER

Map 

Coordinates:
+42.27084, -71.06809
42°16'15" N, 71°04'05" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HWY ADAMS ST over WATER NEPONSET RIVER
Structure number:B16003381MUNNBI
Old structure number:381MUN896003100 (from 1992 edition)
Location:OVER NEPONSET RIV AT MILT
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:32.2 ft. [9.8 m]
Total length:119.1 ft. [36.3 m]
Roadway width between curbs:42.3 ft. [12.9 m]
Deck width edge-to-edge:59.7 ft. [18.2 m]
Skew angle:22°
Owner:City or Municipal Highway Agency [04]
Year built:1765
Year reconstructed:2006
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Masonry [8]
Main spans design:Arch - Deck [11]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2014 

Status:Open, no restriction [A]
Average daily traffic:27,200 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Good [7 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: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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Operating rating:68.4 tons [62.2 metric tons]
Inventory rating:41.0 tons [37.3 metric tons]
Sufficiency rating:94.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$161,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201494.4Not deficientGoodSatisfactorySatisfactory27200
November 201294.8Not deficientGoodSatisfactorySatisfactory23000
November 201094.9Not deficientGoodSatisfactorySatisfactory21600
November 200894.9Not deficientGoodSatisfactorySatisfactory21600
October 200694.1Not deficientGoodSatisfactorySatisfactory20160
November 200425.7Structurally deficientSeriousCriticalPoor19900
November 200225.7Structurally deficientSeriousCriticalPoor19900
December 200025.7Structurally deficientSeriousCriticalPoor19900
December 199825.7Structurally deficientSeriousCriticalPoor19900
February 199627.5Structurally deficientSeriousSeriousPoor19900