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GRAND AVENUE over QUINNIPIAC RIVER

Map

Coordinates:
+41.30891, -72.88783
41°18'32" N, 72°53'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:GRAND AVENUE over QUINNIPIAC RIVER
Structure number:03810
Location:100' E OF FRONT STREET
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:102.0 ft. [31.1 m]
Total length:425.9 ft. [129.8 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:54.1 ft. [16.5 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:6.6 ft. [2.0 m]
Owner:City or Municipal Highway Agency [04]
Year reconstructed:1984
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:Movable - Swing [17]
Deck type:Closed Grating [4]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,567 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:72.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairFairFairFair756772.8
September 2015FairFairFairFair693772.9
May 2013FairFairFairFair693772.7
May 2011FairFairFairFair680072.7
July 2009FairFairFairFair1200071.8
July 2007FairFairFairFair1200071.8
August 2005FairFairFairFair1000072.1
October 2003FairFairSatisfactoryFair1000072.1
October 2001FairFairSatisfactoryFair1000072.1
October 1999FairSatisfactorySatisfactorySatisfactory1000084.4
September 1997FairSatisfactorySatisfactorySatisfactory1000084.4
March 1995FairSatisfactorySatisfactorySatisfactory870088.7
January 1993FairSatisfactorySatisfactorySatisfactory870088.7
December 1990FairSatisfactorySatisfactorySatisfactory870088.7