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HWY AUSTIN ST over COMB I 93 RMP&MBTA&ORNG

Map

Coordinates:
+42.37256, -71.07038
42°22'21" N, 71°04'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY AUSTIN ST over COMB I 93 RMP&MBTA&ORNG
Structure number:B161794F6DOTNBI
Location:.1 M. W OF RUTHERFORD ST
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:149.9 ft. [45.7 m]
Total length:1825.2 ft. [556.3 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance above deck:14.4 ft. [4.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Poor
Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:36,700 [as of 2017]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:26.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$96,958,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017PoorSatisfactoryPoorPoor3670026.7
June 2015PoorSatisfactoryPoorPoor367007.3
June 2013PoorSatisfactoryFairPoor3040043.1
May 2011FairSatisfactoryFairFair3920060.1
May 2009FairSatisfactoryFairFair3920060.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,67201,662100
Steel Protective Coatingsq. ft.239,700201,30036,80001,600
Prestressed Concrete Girder/Beamlinear ft.17,24616,4522885060
Deck
Reinforced Concrete Decksq. ft.123,270119,1904,000800
Wearing Surfacessq. ft.105,21099,2305,3206600
Substructure
Reinforced Concrete Columneach843323280
Reinforced Concrete Abutmentlinear ft.1851731110
Reinforced Concrete Pier Caplinear ft.1,6477354374750
Joints
Strip Seal Jointlinear ft.1,4441547255650
Assembly with Sealeach633514140
Bearings
Elastomeric Bearingeach24850135630
Movable Bearingeach1100110
Steel Protective Coatingsq. ft.38016166
Fixed Bearingeach25955192120
Steel Protective Coatingsq. ft.38016166
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,0433,90096470