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RI 77 MAIN RD over NANAQUAKET POND

Newport County, Rhode Island

Map

Coordinates:
+41.61787, -71.20441
41°37'04" N, 71°12'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RI 77 MAIN RD over NANAQUAKET POND
Structure number:000000000002840
Location:0.4 Mi N of JCT RI 177
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:20.3 ft. [6.2 m]
Total length:25.6 ft. [7.8 m]
Roadway width between curbs:44.9 ft. [13.7 m]
Deck width edge-to-edge:52.8 ft. [16.1 m]
Owner:State Highway Agency [01]
Year built:1933
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,868 [as of 2014]
Truck traffic:10% 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:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:76.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$381,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairSatisfactoryFairFair686876.8
May 2015FairSatisfactoryFairFair686855.4
June 2013FairFairFairFair790055.4
June 2011FairFairFairSatisfactory790051.5
June 2009FairFairFairSatisfactory790077.7
June 2007FairFairFairSatisfactory790080.7
November 2004FairFairFairSatisfactory930080.3
February 2003FairFairFairFair930080.3
February 2001FairFairFairFair930080.3
October 1998FairFairFairFair930085.5
September 1996FairFairFairSatisfactory540086.4
August 1994FairFairFairSatisfactory540086.5
September 1992FairFairFairSatisfactory530086.5
September 1990FairSatisfactorySatisfactorySatisfactory530096.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Masonry Abutmentlinear ft.10043102522
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2624200
Other Material Bridge Raillinear ft.52222820
Deck
Reinforced Concrete Slabsq. ft.1,3441,1181171990
Wearing Surfacessq. ft.1,1456872002580