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I 93 /US1/ST3 over HWY CONLEY ST

Map

Coordinates:
+42.29111, -71.04417
42°17'28" N, 71°02'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 /US1/ST3 over HWY CONLEY ST
Structure number:B162643DCDOTNBI
Location:6.6 KM S OF JCT I90&I93
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:50.9 ft. [15.5 m]
Total length:118.1 ft. [36.0 m]
Roadway width between curbs:109.9 ft. [33.5 m]
Deck width edge-to-edge:117.5 ft. [35.8 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1955
Year reconstructed:1984
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:151,386 [as of 2015]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 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:66.0 tons [60.0 metric tons]
Inventory rating:40.9 tons [37.2 metric tons]
Sufficiency rating:70.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$7,112,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201670.0FairSatisfactorySatisfactoryFairFO151386
May 201470.0FairSatisfactoryGoodFairFO210400
May 201270.0FairSatisfactoryGoodFairFO210400
May 201070.0FairGoodGoodFairFO210200
May 200881.0FairGoodGoodSatisfactoryFO210000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,5721,572000
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.12,98012,980000
Wearing Surfacessq. ft.12,98012,980000
Substructure
Reinforced Concrete Columneach80080
Reinforced Concrete Abutmentlinear ft.2351850500
Reinforced Concrete Pier Caplinear ft.235023500
Joints
Compression Jointlinear ft.220022000
Bearings
Movable Bearingeach4204200
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach4204200
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.236236000