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I 495 RP M&MERRK S over WATER SHAWSHEEN RIVER

Map

Coordinates:
+42.70465, -71.14027
42°42'17" N, 71°08'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 495 RP M&MERRK S over WATER SHAWSHEEN RIVER
Structure number:L040382X2DOTNBI
Old structure number:2X2096514001131 (from 1992 edition)
Location:NEXT TO I495
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:15.1 ft. [4.6 m]
Total length:50.9 ft. [15.5 m]
Deck width edge-to-edge:650.0 ft. [198.1 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:24,000 [as of 2017]
Truck traffic:6% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:90.4
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$355,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
July 2017Fair6 out of 102400090.4
July 2015Fair6 out of 103460089.9
July 2013Fair6 out of 103460089.9
July 2011Fair6 out of 102790091.5
July 2009Fair6 out of 102110093.1
June 1999Fair6 out of 1050097.9
November 1996Good7 out of 1050088.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Reinforced Concrete Culvertlinear ft.1,93801,906320
Wearing Surfacessq. ft.15,40815,00804000
Bridge Rail
Other Material Bridge Raillinear ft.4684432500