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US 1 RAMP TC over I 93 RMPS SN NS ST

Map

Coordinates:
+42.37194, -71.06861
42°22'19" N, 71°04'07" 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:14.8 ft. [4.5 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:35,800 [as of 2010]
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]
Operating rating:83.2 tons [75.6 metric tons]
Inventory rating:49.9 tons [45.4 metric tons]
Sufficiency rating:87.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$2,368,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201587.0FairGoodGoodSatisfactory-35800
August 201387.0FairGoodGoodSatisfactory-35800
August 201181.0FairGoodGoodSatisfactory-174630
July 201181.0FairGoodGoodSatisfactory-174630
July 200981.0FairGoodGoodSatisfactory-174630

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.92878814000
Deck
Reinforced Concrete Top Flangesq. ft.26,68324,2821,6018000
Wearing Surfacessq. ft.24,81923,2161,60300
Substructure
Reinforced Concrete Columneach99000
Prestressed Concrete Pier Caplinear ft.100010000
Reinforced Concrete Pier Caplinear ft.7207200
Joints
Assembly with Sealeach107535400
Bearings
Elastomeric Bearingeach139400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,5941,586800