I 93 NB over I 93 SB
Map
Coordinates:
+42.37222, -71.0677842°22'20" N, 71°04'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.
Facts
Name: | I 93 NB over I 93 SB |
Structure number: | B16600900DOTNBI |
Location: | I93/US1 INTERCHANGE |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Interstate (Urban) [11] |
Length of largest span: | 143.1 ft. [43.6 m] |
Total length: | 546.9 ft. [166.7 m] |
Roadway width between curbs: | 49.9 ft. [15.2 m] |
Deck width edge-to-edge: | 54.1 ft. [16.5 m] |
Vertical clearance below bridge: | 14.4 ft. [4.4 m] |
Owner: | State Highway Agency [01] |
Year built: | 2003 |
Historic significance: | Historical significance is not determinable at this time [4] |
Design load: | MS 22.5 / HS 25 [9] |
Number of main spans: | 4 |
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: January 2016
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 78,500 [as of 2012] |
Truck traffic: | 10% 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] |
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: | 55.1 tons [50.1 metric tons] |
Inventory rating: | 49.0 tons [44.5 metric tons] |
Sufficiency rating: | 74.0 |
Recommended work: | Widening of existing bridge or other major structure without deck rehabilitation or replacement [33] |
Estimated cost of work: | $6,889,000 |
Previous Inspections
Date | Suff. Rating | Condition | Deck | Superstructure | Substructure | SD/FO | ADT |
---|
January 2016 | 74.0 | Fair | Good | Good | Satisfactory | FO | 78500 |
January 2014 | 74.0 | Fair | Good | Good | Satisfactory | FO | 78500 |
January 2012 | 74.0 | Fair | Good | Good | Satisfactory | FO | 78500 |
January 2010 | 74.4 | Good | Good | Good | Good | - | 58689 |