Share:

IRR BIA RTE 1 over BIRCH CREEK

Pondera County, Montana

Map

Coordinates:
+48.23306, -112.73425
48°13'59" N, 112°44'03" W

Facts

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

Name:	IRR BIA RTE 1 over BIRCH CREEK
Structure number:	00000000000C105
Location:	13 KM SE OF HEART BUTTE
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	65.0 ft. `[19.8 m]`
Total length:	200.5 ft. `[61.1 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	26.9 ft. `[8.2 m]`
Skew angle:	30°
Owner:	Bureau of Indian Affairs `[62]`
Year built:	1966
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:	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:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	700 `[as of 2016]`
Truck traffic:	10% of total traffic
Deck condition:	Good `[7 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:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. `[5]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	78.5

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2016	Fair	Good	Good	Satisfactory	700	78.5
October 2014	Fair	Good	Good	Satisfactory	700	78.5
October 2011	Good	Good	Good	Good	700	76.4
May 2010	Good	Good	Good	Good	700	76.4
October 2007	Good	Good	Good	Good	700	76.4
October 2004	Good	Good	Very Good	Good	700	76.4
November 2002	Good	Good	Very Good	Good	700	75.3
August 2001	Fair	Good	Very Good	Fair	700	65.8
May 1998	Good	Good	Very Good	Good	700	79.4
September 1995	Good	Good	Very Good	Good	700	77.4

© 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/1314008