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ST 9 HUNTINGTN AV over COMB I 90 & MBTA/CSX

Map

Coordinates:
+42.34778, -71.07889
42°20'52" N, 71°04'44" 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:14.8 ft. [4.5 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:42,900 [as of 2015]
Truck traffic:11% 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]
Operating rating:45.9 tons [41.7 metric tons]
Inventory rating:37.1 tons [33.7 metric tons]
Sufficiency rating:71.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$19,898,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201571.6FairFairSatisfactoryFairFO42900
June 201378.8FairFairSatisfactoryFairFO18000
March 201175.3FairFairSatisfactoryFairFO19900
March 200975.3FairFairSatisfactoryFairFO19900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.4,5224,05247000
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.32,46027,2615,19900
Substructure
Reinforced Concrete Columneach38281000
Reinforced Concrete Pier Walllinear ft.5104595100
Reinforced Concrete Abutmentlinear ft.42502122130
Reinforced Concrete Pier Caplinear ft.170085850
Joints
Strip Seal Jointlinear ft.55044011000
Compression Jointlinear ft.1,2601267560378
Bearings
Movable Bearingeach9509500
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach9509500
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.300300000
Reinforced Concrete Bridge Raillinear ft.300300000
Deck
Other Material Decksq. ft.2,66002,66000