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415th Avenue over Crow Creek Ditch

Marshall County, South Dakota

Map

Coordinates:
+45.77027, -97.91688
45°46'13" N, 97°55'01" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:415th Avenue over Crow Creek Ditch
Structure number:000000046030114
Location:2.1N of Amherst
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:48.9 ft. [14.9 m]
Total length:49.9 ft. [15.2 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:County Highway Agency [02]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Poor
Status:Open, posting recommended but not legally implemented [B]
Average daily traffic:322 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:63.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017PoorSatisfactoryPoorFair32263.5
July 2015FairSatisfactoryFairFair32280.1
September 2013FairSatisfactoryFairFair32279.6
September 2011FairSatisfactoryFairFair32279.6
August 2009FairSatisfactorySatisfactoryFair32279.6
July 2007FairSatisfactorySatisfactoryFair32279.6
August 2005FairSatisfactorySatisfactoryFair32279.6
July 2003FairSatisfactorySatisfactoryFair32279.6
September 2001FairSatisfactorySatisfactoryFair32279.6
August 1999FairGoodSatisfactorySatisfactory32288.6
November 1997FairVery GoodVery GoodFair32274.6
August 1995FairVery GoodVery GoodFair32274.3
August 1993FairVery GoodVery GoodSatisfactory32285.3
August 1991GoodVery GoodVery GoodVery Good32288.3