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ST 28 CHAS R DM RD over WATER CHARLES RIVER

Map 

Coordinates:
+42.36750, -71.07111
42°22'03" N, 71°04'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ST 28 CHAS R DM RD over WATER CHARLES RIVER
Structure number:B160134EMDOTNBI
Old structure number:MDC896031101 (from 1992 edition)
Location:.1 MI NW OF NASHUA ST
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:63.0 ft. [19.2 m]
Total length:90.9 ft. [27.7 m]
Roadway width between curbs:60.4 ft. [18.4 m]
Deck width edge-to-edge:84.3 ft. [25.7 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1910
Year reconstructed:2011
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Closed Grating [4]
Wearing surface:Other [9]

Latest Available Inspection: December 2015 

Status:Open, no restriction [A]
Average daily traffic:44,000 [as of 2010]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 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 minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:84.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201584.7Not deficientVery GoodVery GoodSatisfactory44000
December 201384.7Not deficientVery GoodVery GoodSatisfactory44000
December 201173.5Not deficientVery GoodVery GoodSatisfactory44000
February 201028.5Structurally deficientFairSeriousFair58000
August 199964.3Not deficientGoodFairGood48000
August 199579.8Not deficientGoodSatisfactoryGood54589
August 199379.5Not deficientGoodSatisfactoryGood46389
August 199149.5Structurally deficientSeriousPoorGood47100