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HWY AMESBURY ST over COMB MERIMAC RIV/ACCESS

Map

Coordinates:
+42.70335, -71.16035
42°42'12" N, 71°09'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY AMESBURY ST over COMB MERIMAC RIV/ACCESS
Structure number:L040022PTMUNNBI
Location:AT MERRIMACK RIVER
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:107.0 ft. [32.6 m]
Total length:1497.1 ft. [456.3 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:80.1 ft. [24.4 m]
Vertical clearance below bridge:6.6 ft. [2.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1918
Year reconstructed:1982
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:7
Main spans material:Concrete [1]
Main spans design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:18,500 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:84.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$57,757,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactoryFairFair1850084.0
September 2015FairSatisfactoryFairFair1850084.0
September 2013FairSatisfactoryFairFair1850084.0
September 2011FairSatisfactoryFairFair1700086.1
September 2009PoorSatisfactoryFairSerious1700051.6
September 2007PoorSatisfactoryFairSerious1700051.6
September 2005PoorSatisfactoryFairSerious3156048.7
September 2003PoorSatisfactoryPoorSerious3156048.7
September 2001PoorSatisfactoryFairSerious3156048.7
August 1999PoorSatisfactoryFairSerious3156048.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.1,8481,5271581630
Deck
Reinforced Concrete Decksq. ft.94,08092,0522,000280
Wearing Surfacessq. ft.70,78068,9869678270
Superstructure
Reinforced Concrete Archlinear ft.2,9561,3522861,30414
Reinforced Concrete Floor Beamlinear ft.5,6985,2233651100
Substructure
Reinforced Concrete Columneach2116140
Reinforced Concrete Pier Walllinear ft.64757222530
Reinforced Concrete Abutmentlinear ft.160146680
Joints
Compression Jointlinear ft.7982400397161
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2,3602,3301866