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Columbia CR78 Z-E over Big Creek Relief

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Columbia CR78 Z-E over Big Creek Relief
Structure number:000000000023083
Location:0.5 mi E jct 29 & 78
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:30.8 ft. [9.4 m]
Total length:62.0 ft. [18.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Owner:County Highway Agency [02]
Year built:2007
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Channel beam [22]
Deck type:Concrete Precast Panels [2]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:140 [as of 1987]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:91.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017GoodGoodGoodVery Good14091.5
January 2015GoodGoodGoodVery Good14091.5
January 2013GoodGoodGoodVery Good14091.5
February 2011GoodGoodGoodVery Good14091.5
January 2009GoodGoodGoodVery Good14085.5
February 2007GoodGoodGoodVery Good14085.5