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306TH ST over LITTLE TURKEY RIVER

Map

Coordinates:
+43.07776, -92.04543
43°04'40" N, 92°02'44" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:306TH ST over LITTLE TURKEY RIVER
Structure number:000000000153391
Location:095100507
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:61.0 ft. [18.6 m]
Total length:167.0 ft. [50.9 m]
Roadway width between curbs:24.6 ft. [7.5 m]
Deck width edge-to-edge:27.2 ft. [8.3 m]
Owner:County Highway Agency [02]
Year built:1989
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:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:45 [as of 2009]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Sufficiency rating:99.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016GoodVery GoodVery GoodVery Good4599.0
October 2014GoodVery GoodVery GoodVery Good4599.0
August 2013GoodVery GoodVery GoodVery Good45100.0
September 2010GoodVery GoodVery GoodVery Good45100.0
August 2008GoodVery GoodVery GoodVery Good45100.0
August 2006GoodVery GoodVery GoodVery Good45100.0
August 2004GoodVery GoodVery GoodVery Good45100.0
July 2002GoodVery GoodVery GoodVery Good45100.0
June 2000GoodVery GoodVery GoodVery Good40100.0
August 1998GoodVery GoodVery GoodVery Good40100.0
July 1996GoodVery GoodVery GoodVery Good40100.0
July 1994GoodVery GoodVery GoodVery Good40100.0
July 1992GoodVery GoodVery GoodVery Good40100.0
July 1990GoodVery GoodVery GoodVery Good4097.0