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COUNTY RD 230 over BR OF NORTH RVR

Map

Coordinates:
+39.80419, -91.56881
39°48'15" N, 91°34'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY RD 230 over BR OF NORTH RVR
Structure number:17945
Old structure number:16700311 064 (from 1992 edition)
Location:S 21 T 58 N R 6 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:14.1 ft. [4.3 m]
Total length:30.8 ft. [9.4 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Owner:County Highway Agency [02]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:90 [as of 2017]
Truck traffic:10% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:96.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
February 2017Good7 out of 109096.0
February 2015Good8 out of 109096.0
February 2013Good8 out of 109099.0
March 2011Good8 out of 109099.0
February 2009Good8 out of 109099.0
February 2007Good8 out of 109099.0
February 2005Good8 out of 109099.0
March 2003Good8 out of 109099.0
March 2001Good8 out of 109099.0
April 1999Good8 out of 109099.0
March 1997Good8 out of 109099.0
February 1995Good8 out of 109099.0
March 1993Good8 out of 103596.0
February 1991Good9 out of 103596.0