Share: 
I 93 NB over I 93 SB
Map
Coordinates:
+42.37222, -71.06778
42°22'20" N, 71°04'04" W
+42.37222, -71.06778
42°22'20" N, 71°04'04" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
| 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 |
Element Data
Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
| Element | Units | Quantity | 1. Good | 2. Fair | 3. Poor | 4. Serious |
|---|---|---|---|---|---|---|
| Superstructure | ||||||
| Prestressed Concrete Closed Web/Box Girder | linear ft. | 1,094 | 1,068 | 26 | 0 | 0 |
| Prestressed Concrete Girder/Beam | linear ft. | 447 | 397 | 50 | 0 | 0 |
| Deck | ||||||
| Reinforced Concrete Deck | sq. ft. | 27,350 | 25,709 | 1,641 | 0 | 0 |
| Wearing Surfaces | sq. ft. | 27,350 | 25,709 | 1,641 | 0 | 0 |
| Substructure | ||||||
| Reinforced Concrete Column | each | 9 | 6 | 3 | 0 | 0 |
| Reinforced Concrete Pier Cap | linear ft. | 378 | 0 | 378 | 0 | 0 |
| Joints | ||||||
| Assembly with Seal | each | 102 | 102 | 0 | 0 | 0 |
| Bearings | ||||||
| Elastomeric Bearing | each | 5 | 5 | 0 | 0 | 0 |
| Movable Bearing | each | 4 | 4 | 0 | 0 | 0 |
| Steel Protective Coating | sq. ft. | 999 | 999 | 0 | 0 | 0 |
| Bridge Rail | ||||||
| Reinforced Concrete Bridge Rail | linear ft. | 1,068 | 1,068 | 0 | 0 | 0 |
© Copyright 2012-18, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1235186
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1235186