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PLYMOUTH ROAD over FOURMILE CANYON

Map

Coordinates:
+45.96914, -119.35093
45°58'09" N, 119°21'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:PLYMOUTH ROAD over FOURMILE CANYON
Structure number:086729000000000
Location:1.693 mi N of SR 14
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:9.8 ft. [3.0 m]
Total length:22.0 ft. [6.7 m]
Roadway width between curbs:28.9 ft. [8.8 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Owner:County Highway Agency [02]
Year built:1993
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete continuous [2]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:560 [as of 2018]
Truck traffic:40% of total traffic
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:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:97.3
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$273,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
February 2018Good7 out of 1056097.3
February 2016Good7 out of 1056097.3
February 2014Good7 out of 1056097.3
February 2012Good7 out of 1056097.3
February 2010Good7 out of 1055097.3
February 2008Good7 out of 1053397.4
March 2006Good7 out of 1053397.4
March 2004Good7 out of 1043297.7
April 2002Good7 out of 1043297.7