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HWY WOOD ST EXT over COMB BMRR & MERRIMACK R

Map

Coordinates:
+42.63852, -71.35680
42°38'19" N, 71°21'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY WOOD ST EXT over COMB BMRR & MERRIMACK R
Structure number:L150882M4DOTNBI
Location:ROURKE BRIDGE
Purpose:Carries highway and pedestrian walkway over railroad and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:149.9 ft. [45.7 m]
Total length:1112.9 ft. [339.2 m]
Roadway width between curbs:23.6 ft. [7.2 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:State Highway Agency [01]
Year built: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:8
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Other [9]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:32,200 [as of 2018]
Truck traffic:2% 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:46.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$14,959,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairSatisfactorySatisfactoryFair3220046.6
November 2016FairSatisfactorySatisfactoryFair2520048.7
November 2014FairSatisfactorySatisfactoryFair2700047.7
December 2012FairFairSatisfactorySatisfactory5010055.0
November 2012FairSatisfactorySatisfactoryFair5010048.7
November 2010FairFairSatisfactorySatisfactory2490060.3
November 2008FairFairSatisfactorySatisfactory2490060.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Trusslinear ft.12,90012,640224360
Steel Protective Coatingsq. ft.25,80023,7301,7503200
Steel Floor Beamlinear ft.6,2705,8223161320
Steel Protective Coatingsq. ft.25,08023,2881,2645280
Substructure
Reinforced Concrete Columneach140680
Reinforced Concrete Pier Walllinear ft.39271200
Reinforced Concrete Abutmentlinear ft.79681100
Reinforced Concrete Pier Caplinear ft.21613258260
Deck
Corrugated or Orthotropic Decksq. ft.31,44029,8501,4401500
Wearing Surfacessq. ft.26,07020,85605,2140
Steel Protective Coatingsq. ft.31,44026,7243,1441,5720
Joints
Assembly with Sealeach47143030
Bearings
Movable Bearingeach1612400
Steel Protective Coatingsq. ft.48361200
Fixed Bearingeach20200
Steel Protective Coatingsq. ft.60600
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2,2012,201000
Steel Protective Coatingsq. ft.4,4024,402000
Deck
Reinforced Concrete Slabsq. ft.4464143200
Wearing Surfacessq. ft.3693541500