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AETNA SPRINGS RD over SWARTZ CREEK

Map

Coordinates:
+38.65339, -122.47647
38°39'12" N, 122°28'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:AETNA SPRINGS RD over SWARTZ CREEK
Structure number:21C0046
Location:0.8 MI W POPE VALLEY RD
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:42.0 ft. [12.8 m]
Total length:54.1 ft. [16.5 m]
Roadway width between curbs:15.4 ft. [4.7 m]
Deck width edge-to-edge:19.4 ft. [5.9 m]
Owner:County Highway Agency [02]
Year built:1912
Historic significance:Bridge is on the National Register of Historic Places [1]
Main span material:Masonry [8]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:346 [as of 2014]
Truck traffic:10% of total traffic
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:55.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$164,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016Good-GoodVery Good34655.4
November 2014Good-Very GoodVery Good9960.0
November 2012Poor-FairPoor9937.7
November 2010Poor-FairPoor9940.6
November 2008Poor-FairPoor9940.6
March 2007Poor-FairPoor9940.6
November 2004Poor-FairPoor9940.6
October 2002Poor--Poor9941.6
December 2000Poor--Poor9941.6
December 1998Poor-FairPoor9940.6
September 1997Poor-FairPoor9940.6
December 1995Fair-FairFair9948.7
February 1994Fair-FairFair9948.7
February 1992Fair-FairFair9948.8