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HWY ATHERTON ST over COMB AMTRAK/MBTA & ORNG

Map 

Coordinates:
+42.31930, -71.10295
42°19'09" N, 71°06'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HWY ATHERTON ST over COMB AMTRAK/MBTA & ORNG
Structure number:B160964VDMBTNBI
Location:N OF STONY BROOK SUBSTA
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:46.3 ft. [14.1 m]
Total length:90.9 ft. [27.7 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:11°
Owner:Other State Agencies [21]
Year built:1980
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2014 

Status:Open, no restriction [A]
Average daily traffic:700 [as of 1997]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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 corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:49.0 tons [44.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:90.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,045,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201490.4Functionally obsoleteSatisfactoryGoodGood700
April 201390.4Functionally obsoleteGoodGoodGood700
April 201190.4Functionally obsoleteGoodGoodGood700
April 200990.4Functionally obsoleteGoodGoodGood700
March 200890.4Functionally obsoleteGoodGoodGood700
March 200690.4Functionally obsoleteGoodGoodGood700
March 200490.4Functionally obsoleteGoodGoodGood700
March 200290.4Functionally obsoleteGoodGoodGood700
April 200090.4Functionally obsoleteGoodGoodGood700