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ST 31 NB RLLSTN ST over WATER N NASHUA RIVER

Map

Coordinates:
+42.58436, -71.80658
42°35'04" N, 71°48'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 31 NB RLLSTN ST over WATER N NASHUA RIVER
Structure number:F0401220MDOTNBI
Location:.2 MI. S. OF MAIN ST.
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:86.0 ft. [26.2 m]
Total length:176.8 ft. [53.9 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Owner:State Highway Agency [01]
Year built:1909
Year reconstructed:1997
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Truss - Deck [09]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,100 [as of 2013]
Truck traffic:2% of total traffic
Deck condition:Good [7 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]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 assessed or calculated scour condition. [5]
Sufficiency rating:61.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,442,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairGoodSatisfactorySatisfactory310061.9
August 2015FairGoodSatisfactorySatisfactory310061.9
August 2013FairGoodSatisfactoryGood310061.9
August 2011FairGoodSatisfactoryGood310061.9
August 2009FairGoodSatisfactoryGood310060.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Deck
Reinforced Concrete Decksq. ft.7,1327,03210000
Superstructure
Steel Trusslinear ft.6886672010
Steel Protective Coatingsq. ft.7,4003186,082500500
Steel Floor Beamlinear ft.729725040
Steel Protective Coatingsq. ft.6,35006,0000350
Steel Gusset Plateeach6050820
Steel Protective Coatingsq. ft.2400200040
Substructure
Reinforced Concrete Pier Walllinear ft.4242000
Reinforced Concrete Abutmentlinear ft.8478600
Reinforced Concrete Pier Caplinear ft.4242000
Joints
Compression Jointlinear ft.2626000
Bearings
Movable Bearingeach1612400
Steel Protective Coatingsq. ft.4804800
Fixed Bearingeach84400
Steel Protective Coatingsq. ft.24012120
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3523322000
Steel Protective Coatingsq. ft.2,11202,11200