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HWY NORTH ROTARY over ST 99 SULLIVAN SQ UNDRPS

Suffolk County, Massachusetts

Map

Coordinates:
+42.38525, -71.07312
42°23'07" N, 71°04'23" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY NORTH ROTARY over ST 99 SULLIVAN SQ UNDRPS
Structure number:B1624537XMUNNBI
Old structure number:37XMUN896Z45100 (from 1992 edition)
Location:1.6 KM N OF N WSHNGTON ST
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:61.0 ft. [18.6 m]
Total length:61.0 ft. [18.6 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:64.6 ft. [19.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1951
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:23,500 [as of 2018]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:78.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,940,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairGoodSatisfactorySatisfactory2350078.8
February 2016FairGoodGoodSatisfactory2470079.6
February 2014FairGoodGoodSatisfactory2800077.2
February 2012FairGoodGoodSatisfactory2800078.2
February 2010FairGoodGoodSatisfactory2680078.5
February 2008FairGoodGoodSatisfactory2660077.5
February 2006FairGoodGoodSatisfactory2530077.7
February 2004FairGoodGoodSatisfactory2450077.8
February 2002FairGoodGoodSatisfactory2200078.7
February 2000FairGoodGoodSatisfactory2000079.1
February 1998FairGoodGoodSatisfactory2000079.1
February 1996GoodGoodGoodGood1990081.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Deck
Reinforced Concrete Decksq. ft.3,9443,942200
Wearing Surfacessq. ft.3,1633,163000
Substructure
Reinforced Concrete Abutmentlinear ft.136845200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.147014700
Steel Protective Coatingsq. ft.340034000