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S 7 over COLLINS CREEK

Carter County, Montana

Map

Coordinates:
+45.97924, -104.49554
45°58'45" N, 104°29'44" W

Facts

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

Name:	S 7 over COLLINS CREEK
Structure number:	P00027006+04421
Location:	6M NE EKALAKA
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	19.0 ft. `[5.8 m]`
Total length:	58.4 ft. `[17.8 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	25.9 ft. `[7.9 m]`
Owner:	State Highway Agency `[01]`
Year built:	1940
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 13.5 / H 15 `[2]`
Number of main spans:	3
Main spans material:	Wood or timber `[7]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	417 `[as of 2017]`
Truck traffic:	8% of total traffic
Deck condition:	Good `[7 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:	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 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 foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	86.0

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2018	Fair	Good	Satisfactory	Satisfactory	417	86.0
October 2016	Fair	Good	Satisfactory	Satisfactory	400	87.1
October 2014	Fair	Good	Satisfactory	Satisfactory	440	85.9
October 2012	Fair	Good	Satisfactory	Satisfactory	440	85.9
October 2010	Fair	Good	Satisfactory	Satisfactory	440	85.9
September 2008	Fair	Good	Good	Satisfactory	400	88.0
January 2007	Fair	Good	Good	Satisfactory	320	88.2
February 2005	Fair	Good	Good	Satisfactory	320	80.9
February 2003	Fair	Good	Good	Satisfactory	310	81.0
January 2001	Fair	Good	Good	Satisfactory	300	81.0
January 1999	Fair	Good	Good	Fair	300	69.8
December 1996	Good	Good	Good	Very Good	263	79.0
January 1995	Good	Good	Very Good	Good	229	81.0
November 1992	Good	Very Good	Very Good	Very Good	234	75.0
February 1991	Good	Very Good	Very Good	Very Good	254	69.9

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
Timber Girder/Beam	linear ft.	741	541	178	22	0
Substructure
Timber Abutment	linear ft.	85	72	13	0	0
Timber Pile	each	20	6	13	1	0
Timber Pier Cap	linear ft.	118	77	41	0	0
Deck
Timber Deck	sq. ft.	1,518	1,442	76	0	0
Wearing Surfaces	sq. ft.	1,518	1,366	152	0	0
Bridge Rail
Timber Bridge Rail	linear ft.	115	90	16	9	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/1318125