Share:

HWY MORTON ST over RR MBTA

Map 

Coordinates:
+42.28083, -71.08583
42°16'51" N, 71°05'09" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HWY MORTON ST over RR MBTA
Structure number:B161633H2DOT634
Location:.8 KM SW OF JCTSR28&SR203
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:34.5 ft. [10.5 m]
Total length:77.1 ft. [23.5 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:77.8 ft. [23.7 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Skew angle:14°
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:3
Main spans material:Prestressed concrete [5]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2014 

Status:Open, no restriction [A]
Average daily traffic:41,300 [as of 2014]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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 replacement [2]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:33.4 tons [30.4 metric tons]
Inventory rating:28.5 tons [25.9 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:51.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,424,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201451.6Structurally deficientFairFairPoor41300
February 201251.6Structurally deficientFairFairPoor41300
February 201051.6Structurally deficientFairFairPoor41300