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Northwestern Ave over MITCHELL CK

Haakon County, South Dakota

Map

Coordinates:
+44.06813, -101.14681
44°04'05" N, 101°08'49" W

Facts

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

Name:	Northwestern Ave over MITCHELL CK
Structure number:	000000028429470
Location:	MIDLAND
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	40.0 ft. `[12.2 m]`
Total length:	90.9 ft. `[27.7 m]`
Roadway width between curbs:	26.9 ft. `[8.2 m]`
Deck width edge-to-edge:	26.9 ft. `[8.2 m]`
Skew angle:	30°
Owner:	County Highway Agency `[02]`
Year built:	1965
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 `[5]`
Main spans design:	Tee beam `[04]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	45 `[as of 2016]`
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
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 with "unknown" foundation that has not been evaluated for scour. `[U]`
Sufficiency rating:	97.0
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$2,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Fair	Satisfactory	Good	Satisfactory	45	97.0
August 2016	Fair	Satisfactory	Good	Fair	45	86.0
August 2014	Fair	Satisfactory	Good	Fair	45	86.0
August 2012	Fair	Satisfactory	Good	Fair	45	78.8
August 2010	Fair	Satisfactory	Good	Fair	45	78.8
August 2008	Fair	Satisfactory	Good	Fair	45	78.8
June 2006	Fair	Satisfactory	Good	Satisfactory	45	89.8
July 2004	Fair	Fair	Good	Satisfactory	45	88.8
June 2002	Fair	Fair	Good	Satisfactory	45	88.8
July 2000	Fair	Fair	Good	Satisfactory	45	88.8
July 1998	Fair	Satisfactory	Good	Satisfactory	45	96.8
July 1996	Fair	Satisfactory	Good	Good	45	96.3
August 1994	Good	Good	Good	Good	45	89.5
July 1992	Good	Good	Good	Very Good	45	89.5
August 1990	Good	Good	Very Good	Very Good	45	88.5

© 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/1491953