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420th Avenue over Crow Creek

Marshall County, South Dakota

Map

Coordinates:
+45.73886, -97.81329
45°44'20" N, 97°48'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	420th Avenue over Crow Creek
Structure number:	000000046080136
Location:	3.6S 3.0W of Britton
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	59.1 ft. `[18.0 m]`
Total length:	60.0 ft. `[18.3 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:	1981
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Prestressed concrete `[5]`
Main span design:	Tee beam `[04]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	57 `[as of 2015]`
Truck traffic:	3% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
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 protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. `[5]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	99.0

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2017	Good	Good	Good	Good	57	99.0
July 2015	Good	Good	Good	Good	57	92.3
September 2013	Good	Good	Very Good	Good	57	89.8
September 2011	Good	Good	Very Good	Good	57	89.8
August 2009	Good	Good	Very Good	Good	57	89.8
July 2007	Good	Good	Very Good	Good	57	89.8
August 2005	Good	Good	Very Good	Good	57	89.8
July 2003	Good	Good	Very Good	Good	57	90.8
September 2001	Good	Good	Very Good	Good	57	90.8
August 1999	Good	Good	Very Good	Good	57	90.8
October 1997	Good	Very Good	Very Good	Very Good	57	89.8
August 1995	Good	Very Good	Very Good	Very Good	57	89.5
July 1993	Good	Very Good	Very Good	Very Good	57	89.5
August 1991	Good	Very Good	Very Good	Very Good	57	89.5

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1493307