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HWY ELIOT BRIDGE over WATER CHARLES RIVER

Map

Coordinates:
+42.37139, -71.13333
42°22'17" N, 71°07'60" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY ELIOT BRIDGE over WATER CHARLES RIVER
Structure number:B162464EVDOTNBI
Old structure number:MDC896043100 (from 1992 edition)
Location:.4 MI NW OF HARVARD ST
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:109.9 ft. [33.5 m]
Total length:368.1 ft. [112.2 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:86.0 ft. [26.2 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1950
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Truss - Deck [09]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2015

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:52,800 [as of 2015]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:38.5 tons [35.0 metric tons]
Inventory rating:31.1 tons [28.3 metric tons]
Sufficiency rating:57.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$27,479,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201557.4PoorSatisfactoryFairPoorSD52800
August 201359.1PoorSatisfactoryFairPoorSD41500
August 201155.7FairSatisfactorySatisfactoryFair-70100
August 200955.7FairSatisfactorySatisfactoryFair-70100
December 199958.5FairSatisfactoryFairGood-51000
December 199563.6FairGoodFairGood-45762
December 199363.0FairFairFairGood-41238
December 199121.6PoorSeriousSeriousGoodSD42000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.72649442280
Deck
Reinforced Concrete Decksq. ft.31,77024,1063,8003,8640
Wearing Surfacessq. ft.31,77028,5701,6001,6000
Superstructure
Steel Trusslinear ft.3,1461,3868808800
Steel Protective Coatingsq. ft.24,88019,0002305,6500
Substructure
Steel Columneach60321
Steel Protective Coatingsq. ft.1,11999900120
Reinforced Concrete Columneach2000614
Reinforced Concrete Pier Walllinear ft.172829000
Reinforced Concrete Abutmentlinear ft.1727260400
Reinforced Concrete Pier Caplinear ft.3201363210448
Joints
Other Jointlinear ft.1204040400
Bearings
Movable Bearingeach2200022
Steel Protective Coatingsq. ft.2200022
Fixed Bearingeach2202200
Steel Protective Coatingsq. ft.2202200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.418000418
Other Material Bridge Raillinear ft.83604184108