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4TH ST EAST over NATHANSON CREEK

Map

Coordinates:
+38.29251, -122.44965
38°17'33" N, 122°26'59" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:4TH ST EAST over NATHANSON CREEK
Structure number:20C0495
Location:0.1 MI N OF E NAPA ST SO
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:29.9 ft. [9.1 m]
Total length:35.1 ft. [10.7 m]
Roadway width between curbs:21.7 ft. [6.6 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Skew angle:18°
Owner:City or Municipal Highway Agency [04]
Year built:1914
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:2,100 [as of 2015]
Truck traffic:1% of total traffic
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 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]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:29.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$179,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017Poor-PoorGood210029.7
June 2015Good-GoodVery Good210052.4
June 2013Good-GoodGood210052.4
June 2012Good-GoodGood210052.4
July 2010Good-GoodGood210059.1
June 2008Good-GoodGood200059.1
June 2006Good-GoodGood200059.1
November 2004Good-GoodGood200059.1
October 2002Good-GoodGood200059.1
December 2000Good-GoodGood200059.1
November 1998GoodGoodGoodGood200059.1
October 1997GoodGoodGoodGood200059.1
September 1995Fair-SatisfactoryGood200048.9
September 1993Fair-SatisfactoryGood200053.0
June 1990Fair-SatisfactoryGood200053.0