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STP 7391;S. MAIN over PORTNEUF RIVER

Bannock County, Idaho

Map

Coordinates:
+42.84250, -112.42861
42°50'33" N, 112°25'43" W

Facts

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

Name:	STP 7391;S. MAIN over PORTNEUF RIVER
Structure number:	000000000021515
Location:	2.0 S. POCATELLO
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	40.0 ft. `[12.2 m]`
Total length:	117.1 ft. `[35.7 m]`
Roadway width between curbs:	40.0 ft. `[12.2 m]`
Deck width edge-to-edge:	46.6 ft. `[14.2 m]`
Skew angle:	17°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1967
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	M 18 / H 20 `[4]`
Number of main spans:	3
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Tee beam `[04]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	9,300 `[as of 2015]`
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	75.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$2,250,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2017	Fair	Satisfactory	Fair	Good	9300	75.0
April 2015	Fair	Satisfactory	Fair	Good	9300	75.0
April 2013	Fair	Satisfactory	Fair	Good	9300	75.0
April 2011	Fair	Satisfactory	Satisfactory	Good	7400	93.4
April 2009	Fair	Satisfactory	Good	Good	8300	93.2
April 2007	Fair	Satisfactory	Good	Good	8300	93.2
April 2005	Fair	Satisfactory	Good	Good	8300	93.2
April 2003	Good	Good	Good	Good	8500	93.2
April 2001	Good	Good	Good	Good	8500	93.2
April 1999	Good	Good	Good	Good	7700	93.4
April 1997	Good	Good	Good	Good	7700	93.4
April 1995	Good	Good	Good	Good	7600	93.5
April 1993	Good	Good	Good	Good	7340	93.5
April 1991	Good	Very Good	Very Good	Very Good	7340	93.5

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.	935	790	138	7	0
Deck
Reinforced Concrete Deck	sq. ft.	5,457	4,857	600	0	0
Wearing Surfaces	sq. ft.	3,276	0	0	0	3,276
Substructure
Reinforced Concrete Pier Wall	linear ft.	98	68	30	0	0
Reinforced Concrete Abutment	linear ft.	98	86	10	2	0
Joints
Compression Joint	linear ft.	197	0	30	0	167
Bearings
Elastomeric Bearing	each	48	48	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	118	118	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	234	0	124	110	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/1132552