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IRR BIA RTE N6310 over PIUTE CREEK

San Juan County, Utah

Map

Coordinates:
+37.09622, -110.67411
37°05'46" N, 110°40'27" W

Facts

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

Name:	IRR BIA RTE N6310 over PIUTE CREEK
Structure number:	00000000000N323
Location:	10 MI NE NAVAJO MT SCHOOL
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	86.6 ft. `[26.4 m]`
Total length:	89.9 ft. `[27.4 m]`
Roadway width between curbs:	27.9 ft. `[8.5 m]`
Deck width edge-to-edge:	31.2 ft. `[9.5 m]`
Owner:	Bureau of Indian Affairs `[62]`
Year built:	1991
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:	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:	75 `[as of 2012]`
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:	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:	Countermeasures have been installed to mitigate an existing problem with scour. `[7]`
Sufficiency rating:	93.4

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2016	Good	Good	Good	Good	75	93.4
November 2014	Good	Good	Very Good	Good	75	93.4
January 2012	Good	Good	Very Good	Good	75	89.4
January 2010	Poor	Good	Very Good	Poor	75	62.2
January 2008	Poor	Good	Very Good	Critical	75	30.6
November 2004	Poor	Good	Very Good	Serious	61	46.4
April 2002	Fair	Satisfactory	Very Good	Good	61	91.4
February 1999	Fair	Satisfactory	Very Good	Good	61	93.4
March 1997	Good	Very Good	Very Good	Very Good	61	93.4
August 1994	Good	Very Good	Very Good	Very Good	60	94.4

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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