20TH AVE over RTE I678, RTE I678


+40.78171, -73.82499
40°46'54" N, 73°49'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:20TH AVE over RTE I678, RTE I678
Structure number:000000001065190
Location:1.5 MI NE I678 & SH 25A
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:75.8 ft. [23.1 m]
Total length:157.8 ft. [48.1 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:84.3 ft. [25.7 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2003
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:2
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: April 2014 

Status:Open, no restriction [A]
Average daily traffic:18,746 [as of 2011]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:106.8 tons [97.1 metric tons]
Inventory rating:63.9 tons [58.1 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:73.8
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$555,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201473.8Functionally obsoleteGoodSatisfactoryGood18746
April 201273.8Functionally obsoleteGoodSatisfactoryGood18800
May 201073.0Not deficientGoodSatisfactoryGood30948
May 200873.0Not deficientGoodSatisfactoryGood30948
May 200674.0Not deficientGoodSatisfactoryGood30948
April 200474.0Not deficientGoodSatisfactorySatisfactory30948
June 200262.9Functionally obsoleteGoodFairSatisfactory27127
May 200074.3Functionally obsoleteGoodSatisfactorySatisfactory27127
August 199874.3Functionally obsoleteVery GoodGoodGood27127
October 199644.2Not deficientVery GoodPoorPoor25622
August 199463.3Not deficientVery GoodVery GoodFair13360
October 199263.3Not deficientVery GoodVery GoodFair13360
November 199074.6Not deficientVery GoodVery GoodSatisfactory13360