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300TH ST (LWC) over CROOKED CR

Map

Coordinates:
+42.10833, -91.16944
42°06'30" N, 91°10'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:300TH ST (LWC) over CROOKED CR
Structure number:000000000101731
Location:079020807
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:3.9 ft. [1.2 m]
Total length:44.9 ft. [13.7 m]
Skew angle:15°
Owner:County Highway Agency [02]
Year built:1998
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:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:10 [as of 2010]
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:97.0
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
May 201597.0Good7 out of 10-10
May 201395.0Good7 out of 10-10
June 201189.8Good7 out of 10-10
May 200986.5Good7 out of 10-10
July 200787.8Good8 out of 10-10
May 200587.8Good8 out of 10-10
July 200387.5Good8 out of 10-10
June 200187.5Good8 out of 10-10
June 199990.5Good8 out of 10-10