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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

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,0901,090000
Steel Protective Coatingsq. ft.8,5268,526000
Steel Stringerlinear ft.770770000
Steel Protective Coatingsq. ft.3,2723,272000
Deck
Reinforced Concrete Decksq. ft.3,7393,739000
Superstructure
Steel Floor Beamlinear ft.505505000
Steel Protective Coatingsq. ft.5,3025,302000
Substructure
Reinforced Concrete Pier Walllinear ft.16010020400
Reinforced Concrete Abutmentlinear ft.142136330
Deck
Concrete Filled Grid Decksq. ft.3,7553,755000
Steel Protective Coatingsq. ft.6,1016,101000
Joints
Open Jointlinear ft.191191000
Other Jointlinear ft.127127000
Bearings
Movable Bearingeach2626000
Enclosed/Concealed Bearingeach88000
Fixed Bearingeach1616000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.220220000
Steel Protective Coatingsq. ft.1,9521,9421000