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310TH ST over LITTLE SIOUX RIVER

Clay County, Iowa

Map

Coordinates:
+43.19794, -95.22929
43°11'53" N, 95°13'45" W

Facts

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

Name:	310TH ST over LITTLE SIOUX RIVER
Structure number:	000000000117581
Location:	097372802
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	48.9 ft. `[14.9 m]`
Total length:	223.1 ft. `[68.0 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	32.2 ft. `[9.8 m]`
Skew angle:	45°
Owner:	County Highway Agency `[02]`
Year built:	1986
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	5
Main spans material:	Concrete continuous `[2]`
Main spans design:	Slab `[01]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: December 2018

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	80 `[as of 2015]`
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:	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:	100.0

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
December 2018	Good	Good	Good	Good	80	100.0
December 2016	Good	Good	Good	Good	80	100.0
December 2014	Good	Good	Good	Good	50	98.6
December 2012	Good	Good	Good	Good	50	98.6
December 2010	Good	Good	Good	Good	50	98.3
January 2009	Good	Good	Good	Good	50	98.3
January 2007	Good	Good	Good	Good	50	98.6
December 2004	Good	Good	Good	Good	40	98.6
November 2002	Good	Good	Good	Good	40	98.6
April 2001	Good	Good	Good	Very Good	40	98.5
December 1998	Good	Good	Good	Very Good	40	98.5
December 1996	Good	Good	Good	Very Good	40	98.5
November 1994	Good	Good	Good	Very Good	40	98.5
December 1992	Good	Very Good	Very Good	Very Good	40	98.5
December 1990	Good	Very Good	Very Good	Very Good	30	98.5

© 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/1114352