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US 1 RAMP TC over I 93 RMPS SN NS ST

Map

Coordinates:
+42.37203, -71.06823
42°22'19" N, 71°04'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 1 RAMP TC over I 93 RMPS SN NS ST
Structure number:B163928DGDOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:177.8 ft. [54.2 m]
Total length:480.7 ft. [146.5 m]
Roadway width between curbs:43.0 ft. [13.1 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:2002
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 continuous [6]
Main spans design:Segmental box girder [21]
Deck type:Other [9]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:35,800 [as of 2017]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:87.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$2,179,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairGoodGoodSatisfactory3580087.0
August 2015FairGoodGoodSatisfactory3580087.0
August 2013FairGoodGoodSatisfactory3580087.0
August 2011FairGoodGoodSatisfactory17463081.0
July 2011FairGoodGoodSatisfactory17463081.0
July 2009FairGoodGoodSatisfactory17463081.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.930800103270
Deck
Prestressed Concrete Top Flangesq. ft.26,68324,2781,6058000
Wearing Surfacessq. ft.24,81923,2131,60240
Substructure
Reinforced Concrete Columneach1111000
Prestressed Concrete Pier Caplinear ft.37227210000
Joints
Assembly with Sealeach107535400
Bearings
Elastomeric Bearingeach139400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,5941,586800