+43.02567, -116.18897
43°01'32" N, 116°11'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 78 over BIRCH CREEK
Structure number:000000000015285
Location:24.8 E. MURPHY
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:25.6 ft. [7.8 m]
Total length:27.9 ft. [8.5 m]
Roadway width between curbs:28.9 ft. [8.8 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1954
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,000 [as of 2016]
Truck traffic:21% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:75.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$222,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairSatisfactorySatisfactoryFair100075.4
August 2016FairSatisfactorySatisfactoryFair110077.9
August 2014FairSatisfactorySatisfactoryFair82079.0
August 2012FairSatisfactorySatisfactoryFair100081.5
August 2011FairSatisfactorySatisfactoryFair99081.5
August 2010FairSatisfactorySatisfactoryFair99081.5
August 2009FairSatisfactorySatisfactoryFair99081.5
August 2008FairSatisfactorySatisfactoryFair99081.5
August 2007FairSatisfactorySatisfactoryFair99081.5
August 2006FairSatisfactorySatisfactoryFair99081.5
August 2005FairSatisfactorySatisfactoryFair99081.5
August 2004FairSatisfactorySatisfactoryFair99081.5
August 2003FairSatisfactorySatisfactoryFair99081.5
August 2002FairSatisfactorySatisfactoryFair99083.5
August 2000FairSatisfactorySatisfactoryFair68081.2
August 1998FairSatisfactorySatisfactorySatisfactory68092.2
August 1996FairSatisfactorySatisfactoryGood48092.3
August 1994GoodGoodGoodGood48092.3
March 1992GoodGoodGoodGood48092.3
March 1991GoodGoodGoodGood48086.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.114446460
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5656000
Reinforced Concrete Slabsq. ft.896756130100