370th Avenue over Creek


+45.54205, -98.78407
45°32'31" N, 98°47'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:370th Avenue over Creek
Structure number:000000023450034
Location:12E & 6.4N of Ipswich
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:28.9 ft. [8.8 m]
Total length:30.8 ft. [9.4 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:32.5 ft. [9.9 m]
Owner:County Highway Agency [02]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Channel beam [22]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:114 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:72.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$423,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017PoorSatisfactoryFairPoor11472.0
June 2015PoorSatisfactoryFairSerious11440.0
June 2013PoorSatisfactoryFairSerious11440.0
July 2011PoorSatisfactoryFairSerious11447.7
September 2009PoorSatisfactoryFairPoor11461.7
June 2007FairSatisfactoryFairSatisfactory11477.8
October 2005FairSatisfactoryFairSatisfactory11477.8
August 2003FairSatisfactoryFairSatisfactory11478.8
August 2001FairSatisfactorySatisfactorySatisfactory11489.8
July 1999PoorSatisfactorySatisfactorySerious11438.9
July 1997FairVery GoodVery GoodFair11476.8
July 1995GoodVery GoodVery GoodGood11487.5
July 1993GoodVery GoodVery GoodVery Good11489.5
July 1991GoodVery GoodVery GoodVery Good11489.5