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I 93 SB over COMB AUSTIN ST &ORNG LN

Map

Coordinates:
+42.37306, -71.06944
42°22'23" N, 71°04'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 SB over COMB AUSTIN ST &ORNG LN
Structure number:B166018YVDOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:148.0 ft. [45.1 m]
Total length:533.2 ft. [162.5 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance above deck:14.8 ft. [4.5 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Skew angle:99°
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:Steel continuous [4]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:53,019 [as of 2015]
Truck traffic:9% 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 corrrective action [3]
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:98.9 tons [89.9 metric tons]
Inventory rating:65.2 tons [59.3 metric tons]
Sufficiency rating:76.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$3,520,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201676.7FairGoodSatisfactoryGoodFO53019
September 201475.0FairGoodSatisfactoryGoodFO95300
September 201275.0FairGoodSatisfactoryGoodFO72074
March 201075.0FairGoodGoodSatisfactory-72074
January 200875.0FairGoodVery GoodSatisfactory-72074

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.1,6001,40819200
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.33,05731,4041,65300
Wearing Surfacessq. ft.33,05731,4041,65300
Substructure
Steel Columneach22000
Steel Protective Coatingsq. ft.999999000
Reinforced Concrete Columneach108200
Steel Pier Caplinear ft.98881000
Steel Protective Coatingsq. ft.999999000
Reinforced Concrete Pier Caplinear ft.37823014800
Joints
Strip Seal Jointlinear ft.6262000
Assembly with Sealeach6262000
Bearings
Pot Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,0661,066000