Share:

JOHNSTONVILLE RD over SUSAN RIVER

Map

Coordinates:
+40.38881, -120.58736
40°23'20" N, 120°35'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:JOHNSTONVILLE RD over SUSAN RIVER
Structure number:07C0027
Location:0.3 MI N OF US 395
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:32.2 ft. [9.8 m]
Total length:98.1 ft. [29.9 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.8 ft. [10.3 m]
Skew angle:99°
Owner:County Highway Agency [02]
Year built:1921
Year reconstructed:1959
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:600 [as of 1980]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:84.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairFairFairFair60084.6
September 2015FairSatisfactorySatisfactoryGood60081.6
September 2013PoorSeriousSeriousFair60034.7
September 2011PoorSeriousSeriousSatisfactory60034.7
October 2009PoorPoorPoorFair60053.3
September 2007PoorPoorPoorFair60066.5
November 2005PoorPoorPoorFair60066.5
October 2003FairGoodGoodSatisfactory60096.7
September 2001FairGoodGoodSatisfactory60096.7
September 2000FairGoodGoodFair60085.6
September 1999FairGoodGoodFair60085.6
October 1995FairSatisfactorySatisfactoryFair60084.6
August 1993FairSatisfactorySatisfactoryFair60084.6
June 1991FairSatisfactorySatisfactorySatisfactory60095.7