Share:

HWY ELIOT BRIDGE over WATER CHARLES RIVER

Map

Coordinates:
+42.37175, -71.13286
42°22'18" N, 71°07'58" 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:13.1 ft. [4.0 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 2017

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:68,900 [as of 2017]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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]
Sufficiency rating:55.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$25,283,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017PoorSatisfactorySatisfactoryPoor6890055.0
August 2015PoorSatisfactoryFairPoor5280057.4
August 2013PoorSatisfactoryFairPoor4150059.1
August 2011FairSatisfactorySatisfactoryFair7010055.7
August 2009FairSatisfactorySatisfactoryFair7010055.7
December 1999FairSatisfactoryFairGood5100058.5
December 1995FairGoodFairGood4576263.6
December 1993FairFairFairGood4123863.0
December 1991PoorSeriousSeriousGood4200021.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.726494421900
Deck
Reinforced Concrete Decksq. ft.31,77024,1063,8003,8640
Wearing Surfacessq. ft.25,08021,8801,6001,6000
Superstructure
Steel Trusslinear ft.3,1463,146000
Steel Protective Coatingsq. ft.24,88019,0002305,6500
Substructure
Steel Columneach60510
Steel Protective Coatingsq. ft.120012000
Reinforced Concrete Columneach2020000
Reinforced Concrete Pier Walllinear ft.172829000
Reinforced Concrete Abutmentlinear ft.172172000
Reinforced Concrete Pier Caplinear ft.320224404016
Joints
Other Jointlinear ft.1201000200
Bearings
Movable Bearingeach2200022
Steel Protective Coatingsq. ft.2222000
Fixed Bearingeach2222000
Steel Protective Coatingsq. ft.88701008
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.418000418
Other Material Bridge Raillinear ft.83604184108