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COUNTY RD 621 over LINN CR

Map

Coordinates:
+38.48211, -91.85114
38°28'56" N, 91°51'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY RD 621 over LINN CR
Structure number:15288
Old structure number:09000011 076 (from 1992 edition)
Location:S 18 T 43 N R 8 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:11.2 ft. [3.4 m]
Total length:24.9 ft. [7.6 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Skew angle:
Owner:County Highway Agency [02]
Year built:1997
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: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2017]
Truck traffic:10% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Better than present minimum criteria [7]
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:96.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2017Good7 out of 1010096.9
May 2015Good7 out of 1010099.9
April 2013Good8 out of 1010099.9
May 2011Good8 out of 1010099.9
May 2009Good8 out of 1010099.9
May 2007Good8 out of 1010099.9
May 2005Good8 out of 1010099.9
May 2003Good8 out of 1010099.9
May 2001Good9 out of 1010099.9
May 1999Good9 out of 1010099.9