Share:

COUNTY RD 474 over BAKER BR

Map

Coordinates:
+39.71728, -91.92969
39°43'02" N, 91°55'47" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY RD 474 over BAKER BR
Structure number:22094
Location:S 20 T 57 N R 9 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:8.9 ft. [2.7 m]
Total length:29.9 ft. [9.1 m]
Owner:County Highway Agency [02]
Year built:1999
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:3
Main spans material:Aluminum, Wrought Iron or Cast Iron [9]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:50 [as of 2016]
Truck traffic:10% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:95.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2016Fair6 out of 105095.0
March 2014Good8 out of 105095.0
March 2012Good8 out of 105098.0
May 2010Good8 out of 105098.0
May 2008Good8 out of 105098.0
April 2006Good8 out of 105098.0
April 2004Good9 out of 105098.0
March 2002Good9 out of 105098.0
February 2000Good9 out of 103598.0