+39.90261, -121.02473
39°54'09" N, 121°01'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ROAD 24N28 over ROCK CREEK
Structure number:051156000001026
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:24.9 ft. [7.6 m]
Total length:27.9 ft. [8.5 m]
Roadway width between curbs:14.1 ft. [4.3 m]
Deck width edge-to-edge:15.1 ft. [4.6 m]
Owner:U.S. Forest Service [64]
Year built:1956
Year reconstructed:1979
Historic significance:Historical significance is not determinable at this time [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:50
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Unknown [*]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:Scour calculation/evaluation has not been made. [6]
Sufficiency rating:81.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017GoodGoodGoodGood5081.9
August 2015GoodGoodGoodGood5082.9
August 2013GoodGoodVery GoodGood5082.9
September 2011GoodGoodVery GoodGood5081.9
September 2009PoorGoodVery GoodPoor5056.9
August 2007FairGoodVery GoodSatisfactory5082.9
September 2005GoodVery GoodVery GoodGood5082.9
August 2003FairGoodSatisfactoryGood5084.9
July 2001FairGoodSatisfactoryGood5084.9
August 1999GoodGoodVery GoodGood5084.9
July 1997GoodGoodGoodGood5084.9
June 1995GoodGoodGoodGood5084.9
January 1991GoodGoodVery GoodVery Good5085.0