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HWY MORRSSEY BLV over WATER DORCHESTER BAY

Map

Coordinates:
+42.30361, -71.04806
42°18'13" N, 71°02'53" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY MORRSSEY BLV over WATER DORCHESTER BAY
Structure number:B160334EUDOTNBI
Old structure number:MDC896042100 (from 1992 edition)
Location:.2 MI E OF I 93
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:66.9 ft. [20.4 m]
Total length:460.0 ft. [140.2 m]
Roadway width between curbs:78.1 ft. [23.8 m]
Deck width edge-to-edge:89.9 ft. [27.4 m]
Vertical clearance below bridge:12.1 ft. [3.7 m]
Owner:State Highway Agency [01]
Year built:1927
Year reconstructed:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:41,300 [as of 2015]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
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:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:25.0 tons [22.7 metric tons]
Inventory rating:15.0 tons [13.6 metric tons]
Sufficiency rating:26.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$37,028,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201526.5PoorSatisfactoryPoorFairSD41300
June 201326.5PoorSatisfactoryPoorFairSD41300
June 201131.2PoorSatisfactoryPoorFairSD65000
June 200945.6FairGoodGoodFairFO19900
June 199944.6FairSatisfactoryFairFairSD19900
June 199543.9FairSatisfactorySatisfactoryFair-37500
June 199343.9FairSatisfactoryFairSatisfactory-37500
June 199135.0PoorFairPoorSatisfactorySD37500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.59445414000
Steel Protective Coatingsq. ft.999999000
Steel Stringerlinear ft.2,1422,142000
Steel Protective Coatingsq. ft.999999000
Deck
Reinforced Concrete Decksq. ft.4,5124,512000
Superstructure
Reinforced Concrete Archlinear ft.360351601605
Steel Floor Beamlinear ft.514514000
Steel Protective Coatingsq. ft.999999000
Substructure
Reinforced Concrete Pier Walllinear ft.1,3051,117160280
Masonry Pier Walllinear ft.384003840
Masonry Abutmentlinear ft.192096960
Deck
Open Grid Decksq. ft.4,6804,680000
Steel Protective Coatingsq. ft.999999000
Concrete Filled Grid Decksq. ft.3,6983,698000
Steel Protective Coatingsq. ft.1,9981,998000
Bearings
Movable Bearingeach1212000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.136136000
Steel Protective Coatingsq. ft.999999000
Reinforced Concrete Bridge Raillinear ft.7603472851280
Deck
Reinforced Concrete Slabsq. ft.27,30025,9351,36500
Wearing Surfacessq. ft.27,30025,9351,36500