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I 93 SB over COMB I90 & AMTRAK
Map
Coordinates:
+42.34528, -71.06083
42°20'43" N, 71°03'39" W
+42.34528, -71.06083
42°20'43" N, 71°03'39" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
| Name: | I 93 SB over COMB I90 & AMTRAK |
| Structure number: | B166569Q6DOTNBI |
| Location: | UNIT 4 |
| Purpose: | Carries highway over highway and railroad |
| Route classification: | Principal Arterial - Interstate (Urban) [11] |
| Length of largest span: | 205.4 ft. [62.6 m] |
| Total length: | 633.9 ft. [193.2 m] |
| Roadway width between curbs: | 55.1 ft. [16.8 m] |
| Deck width edge-to-edge: | 57.4 ft. [17.5 m] |
| Vertical clearance below bridge: | 28.5 ft. [8.7 m] |
| Owner: | State Highway Agency [01] |
| Year built: | 2000 |
| Historic significance: | Historical significance is not determinable at this time [4] |
| Design load: | MS 18 / HS 20 [5] |
| 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: August 2015
| Good/Fair/Poor Condition: | Fair |
| Status: | Open, no restriction [A] |
| Average daily traffic: | 106,231 [as of 2011] |
| Truck traffic: | 7% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Satisfactory [6 out of 9] |
| Substructure condition: | Good [7 out of 9] |
| Structural appraisal: | Equal to present minimum criteria [6] |
| Deck geometry appraisal: | Basically intolerable requiring high priority of replacement [2] |
| Underclearances appraisal: | Superior to present desirable criteria [9] |
| 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: | 50.7 tons [46.1 metric tons] |
| Inventory rating: | 30.4 tons [27.6 metric tons] |
| Sufficiency rating: | 62.6 |
| Recommended work: | Bridge rehabilitation because of general structure deterioration or inadequate strength. [35] |
| Estimated cost of work: | $19,114,000 |
Previous Inspections
| Date | Suff. Rating | Condition | Deck | Superstructure | Substructure | SD/FO | ADT |
|---|---|---|---|---|---|---|---|
| August 2015 | 62.6 | Fair | Good | Satisfactory | Good | FO | 106231 |
| August 2013 | 62.6 | Good | Good | Good | Good | FO | 106231 |
| August 2011 | 67.9 | Good | Good | Good | Good | FO | 91800 |
| June 2009 | 67.9 | Good | Good | Good | Good | FO | 91800 |
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. | 1,267 | 0 | 1,265 | 2 | 0 |
| Deck | ||||||
| Reinforced Concrete Deck | sq. ft. | 36,374 | 34,555 | 1,819 | 0 | 0 |
| Wearing Surfaces | sq. ft. | 36,374 | 34,555 | 1,819 | 0 | 0 |
| Substructure | ||||||
| Reinforced Concrete Column | each | 9 | 9 | 0 | 0 | 0 |
| Reinforced Concrete Pier Wall | linear ft. | 62 | 56 | 6 | 0 | 0 |
| Reinforced Concrete Pier Cap | linear ft. | 78 | 0 | 62 | 16 | 0 |
| Joints | ||||||
| Assembly with Seal | each | 115 | 103 | 12 | 0 | 0 |
| Bearings | ||||||
| Elastomeric Bearing | each | 20 | 14 | 6 | 0 | 0 |
| Bridge Rail | ||||||
| Reinforced Concrete Bridge Rail | linear ft. | 1,267 | 1,014 | 253 | 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/1235244
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1235244