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I 93 SB over OTHER RELIEF

Map

Coordinates:
+42.34306, -71.06194
42°20'35" N, 71°03'43" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 SB over OTHER RELIEF
Structure number:B166569N3DOTNBI
Location:UNIT 2
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:148.6 ft. [45.3 m]
Total length:524.6 ft. [159.9 m]
Roadway width between curbs:71.5 ft. [21.8 m]
Deck width edge-to-edge:74.8 ft. [22.8 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:2000
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: March 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:117,544 [as of 2013]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
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:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:74.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$20,537,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201574.3FairGoodFairGood-117544
March 201387.0GoodGoodGoodGood-117544
March 201189.4GoodGoodGoodGood-91800
April 200989.4GoodGoodGoodGood-91800

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.1,048822206200
Deck
Reinforced Concrete Decksq. ft.38,77632,1846,59200
Wearing Surfacessq. ft.38,77632,1846,59200
Substructure
Reinforced Concrete Columneach1010000
Reinforced Concrete Pier Caplinear ft.8080000
Joints
Assembly with Sealeach151015100
Bearings
Elastomeric Bearingeach2016400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,04193710400