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ST 3 CAMBRIDGE ST over COMB ST3,ST28 & CHARLES

Map

Coordinates:
+42.36111, -71.07250
42°21'40" N, 71°04'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 3 CAMBRIDGE ST over COMB ST3,ST28 & CHARLES
Structure number:B160094F0DOTNBI
Location:.2 MI W OF BLOSSOM ST
Purpose:Carries highway and railroad over highway and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:243.1 ft. [74.1 m]
Total length:2134.9 ft. [650.7 m]
Roadway width between curbs:90.6 ft. [27.6 m]
Deck width edge-to-edge:106.6 ft. [32.5 m]
Vertical clearance below bridge:29.9 ft. [9.1 m]
Owner:State Highway Agency [01]
Year built:1905
Year reconstructed:1959
Historic significance:Bridge is on the National Register of Historic Places [1]
Number of main spans:11
Main spans material:Steel [3]
Main spans design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:55,700 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:35.1 tons [31.9 metric tons]
Inventory rating:22.4 tons [20.4 metric tons]
Sufficiency rating:18.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$160,334,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201618.5PoorPoorSeriousFairSD55700
September 201418.5PoorPoorSeriousFairSD55700
September 201218.5PoorPoorSeriousFairSD55700
September 201018.8PoorPoorSeriousFairSD22600
September 200832.0PoorSeriousSeriousFairSD49500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.2,07401,89615523
Steel Protective Coatingsq. ft.1,9981,998000
Steel Stringerlinear ft.47,647034,1137,0126,522
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.138,969117,55821,41100
Wearing Surfacessq. ft.120,521102,24618,27500
Superstructure
Steel Archlinear ft.18,444016,7241,7200
Steel Protective Coatingsq. ft.1,9981,998000
Steel Floor Beamlinear ft.22,878016,9584,6751,245
Steel Protective Coatingsq. ft.999999000
Substructure
Masonry Pier Walllinear ft.1,54001,35812062
Masonry Abutmentlinear ft.618120488100
Joints
Other Jointlinear ft.1,32801,32800
Bearings
Movable Bearingeach66056010
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach1,01201,01200
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.7,07006,33664490
Steel Protective Coatingsq. ft.999999000
Other Material Bridge Raillinear ft.2562361505