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HWY TRMNT-ARLNGT over RR AMTRAK/MBTA

Map

Coordinates:
+42.34722, -71.06889
42°20'50" N, 71°04'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY TRMNT-ARLNGT over RR AMTRAK/MBTA
Structure number:B160813HPDOT634
Location:.16 KM S OF I90
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:44.0 ft. [13.4 m]
Total length:74.2 ft. [22.6 m]
Roadway width between curbs:60.4 ft. [18.4 m]
Deck width edge-to-edge:400.0 ft. [121.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1979
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 [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:30,400 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:53.0 tons [48.2 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Sufficiency rating:61.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$15,053,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201661.4PoorSatisfactorySatisfactoryPoorSD30400
April 201461.4PoorSatisfactorySatisfactoryPoorSD30400
April 201261.9PoorGoodGoodPoorSD27300
March 201062.7PoorGoodGoodPoorSD21700

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.6,48006,48000
Steel Protective Coatingsq. ft.3,9963,996000
Deck
Reinforced Concrete Decksq. ft.28,52626,4562,07000
Wearing Surfacessq. ft.23,16622,0081,15800
Substructure
Reinforced Concrete Columneach45301050
Reinforced Concrete Pier Walllinear ft.660318291510
Reinforced Concrete Abutmentlinear ft.5374835400
Joints
Compression Jointlinear ft.615061500
Bearings
Movable Bearingeach162162000
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach162162000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,2731,270030