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HWY PORTER ST over OTHER PEDESTRIAN WLKWY

Map

Coordinates:
+42.37209, -71.03410
42°22'20" N, 71°02'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY PORTER ST over OTHER PEDESTRIAN WLKWY
Structure number:B160733HTDOT634
Location:15.2 M S OF SR 1A
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:38.1 ft. [11.6 m]
Total length:40.0 ft. [12.2 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:48.6 ft. [14.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1907
Year reconstructed:1979
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,600 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
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:Meets minimum tolerable limits to be left in place as is [4]
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:78.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$998,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairFairFairFair760078.1
February 2016FairFairFairFair760078.1
February 2014PoorPoorPoorFair720059.8
February 2012PoorPoorPoorFair720059.8
February 2010FairGoodGoodFair1450078.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.4403964400
Wearing Surfacessq. ft.1,3601,3263400
Substructure
Reinforced Concrete Abutmentlinear ft.9889090
Bearings
Elastomeric Bearingeach2202200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.8079100
Deck
Reinforced Concrete Slabsq. ft.240002382