+39.05235, -91.20072
39°03'08" N, 91°12'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY RD 340 over CREEK
Structure number:20289
Old structure number:254R012 082 (from 1992 edition)
Location:S 36 T 51 N R 3 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:24.0 ft. [7.3 m]
Total length:26.9 ft. [8.2 m]
Roadway width between curbs:19.4 ft. [5.9 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:County Highway Agency [02]
Year built:1984
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Equal to present minimum criteria [6]
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 assessed or calculated scour condition. [5]
Operating rating:71.3 tons [64.8 metric tons]
Inventory rating:52.5 tons [47.7 metric tons]
Sufficiency rating:95.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201695.0FairSatisfactorySatisfactorySatisfactory-15
July 201495.0FairSatisfactorySatisfactorySatisfactory-15
July 201298.0FairSatisfactorySatisfactorySatisfactory-15
September 201087.0FairSatisfactoryFairSatisfactory-15
September 200898.0FairSatisfactorySatisfactorySatisfactory-15
September 200698.0FairSatisfactorySatisfactorySatisfactory-15
September 200498.0FairSatisfactorySatisfactorySatisfactory-15
August 200297.0FairSatisfactorySatisfactorySatisfactory-15
August 200097.0FairSatisfactorySatisfactorySatisfactory-15
September 199897.0FairGoodSatisfactoryGood-15
December 199094.0FairVery GoodSatisfactorySatisfactory-15