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
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
January 2017 | Good | Good | Good | Very Good | 140 | 91.5 |
January 2015 | Good | Good | Good | Very Good | 140 | 91.5 |
January 2013 | Good | Good | Good | Very Good | 140 | 91.5 |
February 2011 | Good | Good | Good | Very Good | 140 | 91.5 |
January 2009 | Good | Good | Good | Very Good | 140 | 85.5 |
February 2007 | Good | Good | Good | Very Good | 140 | 85.5 |