ST 9 HUNTINGTN AV over COMB I 90 & MBTA/CSX
Map
Coordinates:
+42.34782, -71.0787442°20'52" N, 71°04'43" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | ST 9 HUNTINGTN AV over COMB I 90 & MBTA/CSX |
Structure number: | B160494T8DOTNBI |
Location: | .1 MI S.PRU CENTER S57 |
Purpose: | Carries highway and pedestrian walkway over highway and railroad |
Route classification: | Other Principal Arterial (Urban) [14] |
Length of largest span: | 79.1 ft. [24.1 m] |
Total length: | 307.1 ft. [93.6 m] |
Roadway width between curbs: | 101.1 ft. [30.8 m] |
Deck width edge-to-edge: | 123.4 ft. [37.6 m] |
Vertical clearance below bridge: | 13.1 ft. [4.0 m] |
Skew angle: | 51° |
Owner: | State Highway Agency [01] |
Year built: | 1965 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Number of main spans: | 5 |
Main spans material: | Steel [3] |
Main spans design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Latest Available Inspection: June 2017
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 24,100 [as of 2017] |
Truck traffic: | 9% of total traffic |
Deck condition: | Fair [5 out of 9] |
Superstructure condition: | Satisfactory [6 out of 9] |
Substructure condition: | Fair [5 out of 9] |
Structural appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Deck geometry appraisal: | Superior to present desirable criteria [9] |
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] |
Sufficiency rating: | 77.0 |
Recommended work: | Bridge rehabilitation because of general structure deterioration or inadequate strength. [35] |
Estimated cost of work: | $18,308,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
June 2017 | Fair | Fair | Satisfactory | Fair | 24100 | 77.0 |
June 2015 | Fair | Fair | Satisfactory | Fair | 42900 | 71.6 |
June 2013 | Fair | Fair | Satisfactory | Fair | 18000 | 78.8 |
March 2011 | Fair | Fair | Satisfactory | Fair | 19900 | 75.3 |
March 2009 | Fair | Fair | Satisfactory | Fair | 19900 | 75.3 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Steel Girder/Beam | linear ft. | 5,592 | 5,518 | 74 | 0 | 0 |
Steel Protective Coating | sq. ft. | 53,125 | 52,435 | 690 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 36,823 | 34,733 | 1,514 | 576 | 0 |
Wearing Surfaces | sq. ft. | 28,698 | 27,263 | 1,435 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 38 | 16 | 21 | 1 | 0 |
Reinforced Concrete Pier Wall | linear ft. | 107 | 18 | 57 | 32 | 0 |
Reinforced Concrete Abutment | linear ft. | 380 | 283 | 76 | 21 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 691 | 531 | 85 | 75 | 0 |
Joints |
Strip Seal Joint | linear ft. | 1,740 | 0 | 870 | 730 | 140 |
Pourable Joint | linear ft. | 188 | 188 | 0 | 0 | 0 |
Bearings |
Movable Bearing | each | 94 | 66 | 28 | 0 | 0 |
Fixed Bearing | each | 93 | 73 | 20 | 0 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 299 | 299 | 0 | 0 | 0 |