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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 

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]
Evaluation:Structurally deficient [1]
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. ratingEvaluationDeckSuper.Sub.ADT
August 201557.4Structurally deficientSatisfactoryFairPoor52800
August 201359.1Structurally deficientSatisfactoryFairPoor41500
August 201155.7Not deficientSatisfactorySatisfactoryFair70100
August 200955.7Not deficientSatisfactorySatisfactoryFair70100
December 199958.5Not deficientSatisfactoryFairGood51000
December 199563.6Not deficientGoodFairGood45762
December 199363.0Not deficientFairFairGood41238
December 199121.6Structurally deficientSeriousSeriousGood42000