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HWY ST MARYS ST over COMB I 90 & MBTA/CSX

Map

Coordinates:
+42.34889, -71.10694
42°20'56" N, 71°06'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY ST MARYS ST over COMB I 90 & MBTA/CSX
Structure number:B162164T1DOTNBI
Location:.32 KM S. CHARLES RV S49
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Collector (Urban) [17]
Length of largest span:69.9 ft. [21.3 m]
Total length:174.9 ft. [53.3 m]
Roadway width between curbs:20.7 ft. [6.3 m]
Deck width edge-to-edge:42.3 ft. [12.9 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:85°
Owner:State Highway Agency [01]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:2,715 [as of 2016]
Truck traffic:19% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:40.7 tons [37.0 metric tons]
Inventory rating:36.4 tons [33.1 metric tons]
Sufficiency rating:56.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,742,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201656.9PoorPoorSatisfactoryFairSD2715
February 201457.5PoorPoorSatisfactoryFairSD1300
February 201257.8PoorPoorSatisfactoryFairSD3000
February 201073.0FairFairSatisfactorySatisfactoryFO3000
January 200871.0PoorPoorSatisfactorySatisfactorySD3000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,40501,40500
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.10,1524,2083,2062,7380
Wearing Surfacessq. ft.7,4004,6622,73800
Substructure
Reinforced Concrete Pier Walllinear ft.6200620
Masonry Abutmentlinear ft.95047480
Steel Pier Caplinear ft.8208200
Steel Protective Coatingsq. ft.999999000
Joints
Compression Jointlinear ft.1700153017
Bearings
Movable Bearingeach3303300
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach3303300
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.350350000