I 93 NB over I 93 SB, RMP LT, MIL RV


+42.37022, -71.06482
42°22'13" N, 71°03'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 NB over I 93 SB, RMP LT, MIL RV
Structure number:B16600901DOTNBI
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:145.0 ft. [44.2 m]
Total length:1015.1 ft. [309.4 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance above deck:15.7 ft. [4.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:2002
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:7
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: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:107,200 [as of 2016]
Truck traffic:9% 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:72.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$18,814,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairSatisfactorySatisfactorySatisfactory10720072.0
February 2016FairSatisfactorySatisfactorySatisfactory9595072.0
February 2014FairSatisfactorySatisfactorySatisfactory9595072.0
February 2012FairSatisfactorySatisfactorySatisfactory4698477.2
February 2010GoodGoodGoodGood4698477.2
January 2008GoodGoodGoodGood17463013.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.2,0311,7221291800
Prestressed Concrete Girder/Beamlinear ft.313305530
Prestressed Concrete Top Flangesq. ft.64,32464,198104220
Wearing Surfacessq. ft.60,25459,0221,212200
Reinforced Concrete Columneach168800
Reinforced Concrete Pier Caplinear ft.104891140
Assembly with Sealeach150015000
Elastomeric Bearingeach2017300
Movable Bearingeach40400
Steel Protective Coatingsq. ft.2014420
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,0352,029600