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HWY MORRSSEY BLV over WATER DORCHESTER BAY

Map

Coordinates:
+42.30391, -71.04783
42°18'14" N, 71°02'52" 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:9.8 ft. [3.0 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 2017

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:77,500 [as of 2017]
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]
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:$34,069,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017PoorSatisfactoryPoorFair7750026.5
June 2015PoorSatisfactoryPoorFair4130026.5
June 2013PoorSatisfactoryPoorFair4130026.5
June 2011PoorSatisfactoryPoorFair6500031.2
June 2009FairGoodGoodFair1990045.6
June 1999FairSatisfactoryFairFair1990044.6
June 1995FairSatisfactorySatisfactoryFair3750043.9
June 1993FairSatisfactoryFairSatisfactory3750043.9
June 1991PoorFairPoorSatisfactory3750035.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.5940539550
Steel Protective Coatingsq. ft.9,996009,745251
Steel Stringerlinear ft.2,3751,1831,18750
Steel Protective Coatingsq. ft.13,3240013,30519
Reinforced Concrete Archlinear ft.28019212373
Steel Floor Beamlinear ft.53346653140
Steel Protective Coatingsq. ft.4,824004,75668
Substructure
Reinforced Concrete Pier Walllinear ft.3843651270
Masonry Pier Walllinear ft.384003840
Masonry Abutmentlinear ft.26001281320
Deck
Open Grid Decksq. ft.5,6495,649000
Concrete Filled Grid Decksq. ft.4,0504,049100
Bearings
Movable Bearingeach1210020
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.130013000
Steel Protective Coatingsq. ft.9200090020
Reinforced Concrete Bridge Raillinear ft.7797010780
Deck
Reinforced Concrete Slabsq. ft.32,26332,2390240
Wearing Surfacessq. ft.26,34426,3000440