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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 22.5 / HS 25 [9]
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 

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201584.7FairVery GoodVery GoodSatisfactory-44000
December 201384.7FairVery GoodVery GoodSatisfactory-44000
December 201173.5FairVery GoodVery GoodSatisfactory-44000
February 201028.5PoorFairSeriousFairSD58000
August 199964.3FairGoodFairGood-48000
August 199579.8FairGoodSatisfactoryGood-54589
August 199379.5FairGoodSatisfactoryGood-46389
August 199149.5PoorSeriousPoorGoodSD47100