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HWY MILTON ST over RR AMTRAK/MBTA

Map

Coordinates:
+42.23917, -71.13306
42°14'21" N, 71°07'59" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY MILTON ST over RR AMTRAK/MBTA
Structure number:B161113H0DOT634
Location:182 M NW OF WOLCOTT SQ.
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:106.0 ft. [32.3 m]
Total length:206.0 ft. [62.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:54.8 ft. [16.7 m]
Vertical clearance below bridge:17.7 ft. [5.4 m]
Owner:State Highway Agency [01]
Year built:1919
Year reconstructed:1977
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:33,100 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.1 tons [63.7 metric tons]
Inventory rating:41.9 tons [38.1 metric tons]
Sufficiency rating:81.7
Recommended work:Replacement of bridge or other structure because of relocation of road. [32]
Estimated cost of work:$9,946,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201581.7FairFairGoodGoodFO33100
May 201382.4FairFairGoodGoodFO29000
April 201181.9FairFairGoodGoodFO31900
April 200981.9FairFairGoodGoodFO31900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,64801,64800
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.11,2822,8908,39200
Substructure
Masonry Pier Walllinear ft.5555000
Masonry Abutmentlinear ft.110110000
Reinforced Concrete Pier Caplinear ft.5555000
Joints
Compression Jointlinear ft.8080000
Bearings
Movable Bearingeach1616000
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach88000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.412412000