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COUNTY RD 293 over GRASSY CR

Map

Coordinates:
+39.95904, -91.68294
39°57'33" N, 91°40'59" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:COUNTY RD 293 over GRASSY CR
Structure number:20373
Location:S 33 T 60 N R 7 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:79.1 ft. [24.1 m]
Total length:80.1 ft. [24.4 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:18.0 ft. [5.5 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]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:50 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:84.2 tons [76.5 metric tons]
Inventory rating:50.5 tons [45.9 metric tons]
Sufficiency rating:94.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201694.0FairVery GoodGoodSatisfactory-50
January 201494.0FairVery GoodVery GoodSatisfactory-50
January 201297.0GoodVery GoodVery GoodGood-50
January 201097.0GoodVery GoodVery GoodGood-50
January 200897.0GoodVery GoodVery GoodGood-50
January 200697.0GoodVery GoodVery GoodGood-50
January 200497.0GoodVery GoodVery GoodGood-50
December 200197.0GoodVery GoodVery GoodExcellent-50
December 199997.0GoodExcellentExcellentExcellent-50