Share:

HWY SOUTHMPTN ST over I 93 /US1/ST3

Map

Coordinates:
+42.33034, -71.06127
42°19'49" N, 71°03'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY SOUTHMPTN ST over I 93 /US1/ST3
Structure number:B162723F6DOTNBI
Location:1.1 KM S OF JCT I90&93
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:90.9 ft. [27.7 m]
Total length:277.9 ft. [84.7 m]
Roadway width between curbs:54.1 ft. [16.5 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:50°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1983
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:39,400 [as of 2018]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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 minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$1,832,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactorySatisfactory3940089.1
March 2016FairSatisfactorySatisfactorySatisfactory4310088.8
March 2014FairSatisfactoryFairGood3760077.7
March 2012FairSatisfactoryFairFair3760077.7
March 2010FairSatisfactoryFairFair3920077.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3,3382,78455400
Steel Protective Coatingsq. ft.32,19532,195000
Deck
Reinforced Concrete Decksq. ft.18,41618,3229400
Wearing Surfacessq. ft.15,04414,9945000
Substructure
Reinforced Concrete Columneach1801800
Concrete Protective Coatingsq. ft.2,0162,016000
Reinforced Concrete Abutmentlinear ft.140994100
Concrete Protective Coatingsq. ft.1,1201,120000
Reinforced Concrete Pier Caplinear ft.2101981200
Concrete Protective Coatingsq. ft.1,6321,632000
Joints
Strip Seal Jointlinear ft.5400540
Compression Jointlinear ft.108108000
Bearings
Movable Bearingeach49391000
Steel Protective Coatingsq. ft.196196000
Fixed Bearingeach4848000
Steel Protective Coatingsq. ft.192192000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.616061600
Steel Protective Coatingsq. ft.5,54405,54400