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ST 28 BLUE HILL AV over WATER NEPONSET RIVER

Map

Coordinates:
+42.26667, -71.09417
42°16'00" N, 71°05'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 28 BLUE HILL AV over WATER NEPONSET RIVER
Structure number:B160214F4DOTNBI
Old structure number:MDC896064101 (from 1992 edition)
Location:.48 KM S OF WOODHAVEN ST
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:49.9 ft. [15.2 m]
Total length:109.9 ft. [33.5 m]
Roadway width between curbs:87.9 ft. [26.8 m]
Deck width edge-to-edge:118.1 ft. [36.0 m]
Owner:State Highway Agency [01]
Year built:1903
Year reconstructed:1946
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Arch - Deck [11]
Deck type:Not applicable [N]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:69,000 [as of 2016]
Truck traffic:8% of total traffic
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:70.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,572,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201670.2Fair-FairFair-69000
October 201472.6Fair-FairFair-55000
October 201273.0Fair-FairFair-53000
October 201072.6Fair-SatisfactoryFair-55000
August 200872.6Fair-SatisfactoryFair-55000
February 200092.7Good-GoodGood-9100
February 199689.5Good-GoodVery Good-28885
February 199490.1Good-GoodVery Good-24546
February 199289.1Good-GoodVery Good-25000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Archlinear ft.353223118120
Substructure
Reinforced Concrete Pier Walllinear ft.2360224120
Reinforced Concrete Abutmentlinear ft.2520242100
Bridge Rail
Other Material Bridge Raillinear ft.40520520000