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SH 78 over SNAKE R.;INDIAN COVE BR.

Owyhee County, Idaho

Map

Coordinates:
+42.94194, -115.53333
42°56'31" N, 115°31'60" W

Facts

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

Name:	SH 78 over SNAKE R.;INDIAN COVE BR.
Structure number:	000000000015300
Location:	4.1 W. HAMMETT
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	67.9 ft. `[20.7 m]`
Total length:	562.0 ft. `[171.3 m]`
Roadway width between curbs:	25.9 ft. `[7.9 m]`
Deck width edge-to-edge:	31.5 ft. `[9.6 m]`
Skew angle:	30°
Owner:	State Highway Agency `[01]`
Year built:	1967
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	8
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	400 `[as of 2015]`
Truck traffic:	25% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	89.8
Recommended work:	Bridge deck rehabilitation with only incidental widening. `[36]`
Estimated cost of work:	$660,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2017	Fair	Fair	Satisfactory	Satisfactory	400	89.8
September 2015	Fair	Fair	Satisfactory	Satisfactory	400	89.8
September 2013	Fair	Fair	Satisfactory	Satisfactory	400	89.8
September 2012	Fair	Fair	Satisfactory	Satisfactory	790	82.2
September 2011	Fair	Fair	Satisfactory	Satisfactory	790	82.2
September 2010	Fair	Satisfactory	Satisfactory	Satisfactory	790	83.2
September 2009	Fair	Good	Satisfactory	Satisfactory	700	81.6
September 2008	Fair	Good	Satisfactory	Satisfactory	700	81.6
September 2007	Fair	Good	Satisfactory	Satisfactory	460	82.1
September 2006	Fair	Good	Satisfactory	Satisfactory	460	82.1
September 2005	Fair	Good	Satisfactory	Satisfactory	490	82.0
September 2004	Fair	Good	Satisfactory	Satisfactory	490	82.0
September 2003	Fair	Good	Satisfactory	Satisfactory	490	82.0
September 2001	Fair	Satisfactory	Satisfactory	Satisfactory	490	82.0
September 1999	Fair	Satisfactory	Satisfactory	Good	480	83.1
September 1997	Good	Good	Good	Good	340	83.3
September 1995	Good	Good	Good	Good	310	82.9
September 1993	Good	Good	Good	Good	340	82.8
September 1991	Good	Good	Good	Good	340	83.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Prestressed Concrete Girder/Beam	linear ft.	2,808	2,555	248	5	0
Deck
Reinforced Concrete Deck	sq. ft.	17,599	12,689	4,660	250	0
Wearing Surfaces	sq. ft.	14,612	6,612	5,500	1,500	1,000
Substructure
Reinforced Concrete Abutment	linear ft.	72	59	12	1	0
Steel Pile	each	75	0	0	75	0
Steel Protective Coating	sq. ft.	4,545	0	2,045	1,600	900
Reinforced Concrete Pier Cap	linear ft.	223	176	45	2	0
Joints
Compression Joint	linear ft.	328	0	240	88	0
Bearings
Elastomeric Bearing	each	80	70	10	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,125	957	168	0	0
Steel Protective Coating	sq. ft.	4,476	4,476	0	0	0

© 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/1131647