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HWY PORTER ST over OTHER PEDESTRIAN WLKWY

Map

Coordinates:
+42.37194, -71.03472
42°22'19" N, 71°02'05" 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:16.4 ft. [5.0 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 2016

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]
Operating rating:72.2 tons [65.6 metric tons]
Inventory rating:37.3 tons [33.9 metric tons]
Sufficiency rating:78.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,085,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201678.1FairFairFairFairFO7600
February 201459.8PoorPoorPoorFairSD7200
February 201259.8PoorPoorPoorFairSD7200
February 201078.3FairGoodGoodFairFO14500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.440000440
Deck
Reinforced Concrete Decksq. ft.9999000
Substructure
Reinforced Concrete Abutmentlinear ft.975926120
Bearings
Elastomeric Bearingeach2202200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.8080000
Deck
Reinforced Concrete Slabsq. ft.414414000
Wearing Surfacessq. ft.414414000