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ROUTE 156 over NIANTIC RIVER & LOCAL RD

Map

Coordinates:
+41.32400, -72.17653
41°19'26" N, 72°10'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ROUTE 156 over NIANTIC RIVER & LOCAL RD
Structure number:06026
Location:.80 MI E OF JCT ROUTE 161
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:144.0 ft. [43.9 m]
Total length:1827.2 ft. [556.9 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:45.3 ft. [13.8 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Owner:State Highway Agency [01]
Year built:1991
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:3
Main spans material:Steel [3]
Main spans design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,100 [as of 2015]
Truck traffic:5% 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:Meets minimum tolerable limits to be left in place as is [4]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:83.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$11,350,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairSatisfactorySatisfactorySatisfactory810083.5
January 2016FairSatisfactorySatisfactorySatisfactory810082.5
January 2014FairSatisfactorySatisfactoryGood930081.6
January 2012FairSatisfactorySatisfactoryGood910081.7
February 2010GoodGoodGoodGood1110081.6
October 2007GoodGoodGoodGood1110081.6
January 2006GoodGoodGoodGood970083.4
January 2004GoodGoodGoodGood970083.4
January 2002GoodGoodGoodGood1040083.0
February 2000GoodGoodVery GoodGood1080085.2
November 1997GoodGoodVery GoodGood1080085.2
November 1995GoodGoodVery GoodGood970083.5
November 1993GoodGoodVery GoodVery Good890086.1
November 1991GoodGoodVery GoodVery Good880084.0