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RIVER AV over Three Rivers Heritage Tr

Map 

Coordinates:
+40.46409, -79.97941
40°27'51" N, 79°58'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:RIVER AV over Three Rivers Heritage Tr
Structure number:000000000002437
Old structure number:027301000030820 (from 1992 edition)
Location:301082 RIVER AVE VIADUCT
Route classification:Local (Urban) [19]
Length of largest span:37.1 ft. [11.3 m]
Total length:179.1 ft. [54.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Skew angle:
Owner:City or Municipal Highway Agency [04]
Year built:1939
Year reconstructed:1986
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:6
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: November 2014 

Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 2004]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.8 tons [55.3 metric tons]
Inventory rating:35.9 tons [32.6 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:50.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201450.2Structurally deficientSatisfactoryFairPoor6000
November 201244.4Structurally deficientSatisfactoryFairPoor6000
November 201043.9Structurally deficientSatisfactoryFairPoor6000
November 200843.9Structurally deficientSatisfactoryFairPoor6000
February 200858.7Not deficientGoodFairFair6000
January 200768.7Not deficientGoodFairFair6000
November 200468.7Not deficientGoodFairFair6000
December 200263.5Not deficientGoodFairFair6000
November 200063.5Not deficientGoodFairFair6000
November 199859.3Not deficientGoodFairSatisfactory6000
November 199670.7Not deficientSatisfactorySatisfactoryFair6000
September 199478.8Not deficientSatisfactorySatisfactorySatisfactory6000
August 199279.0Not deficientGoodSatisfactorySatisfactory5250
October 199067.9Not deficientGoodGoodFair4792