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OLD HWY 10 W over WILLIAMS COULEE 007

Prairie County, Montana

Map

Coordinates:
+46.65838, -105.50274
46°39'30" N, 105°30'10" W

Facts

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

Name:	OLD HWY 10 W over WILLIAMS COULEE 007
Structure number:	L40004000+01001
Location:	13M SW TERRY
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	19.0 ft. `[5.8 m]`
Total length:	77.4 ft. `[23.6 m]`
Roadway width between curbs:	30.5 ft. `[9.3 m]`
Deck width edge-to-edge:	32.2 ft. `[9.8 m]`
Owner:	State Highway Agency `[01]`
Year built:	1930
Year reconstructed:	1948
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:	4
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: September 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	543 `[as of 2017]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
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:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	84.0

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2018	Fair	Good	Fair	Satisfactory	543	84.0
October 2016	Fair	Good	Fair	Satisfactory	630	83.8
October 2014	Fair	Good	Fair	Satisfactory	100	86.1
October 2012	Fair	Good	Fair	Satisfactory	100	86.1
November 2010	Fair	Good	Fair	Satisfactory	100	86.1
October 2008	Fair	Good	Satisfactory	Satisfactory	100	97.1
February 2007	Fair	Very Good	Satisfactory	Satisfactory	100	97.1
February 2005	Fair	Very Good	Satisfactory	Satisfactory	100	97.1
January 2003	Fair	Very Good	Satisfactory	Satisfactory	100	97.1
November 2000	Fair	Very Good	Satisfactory	Satisfactory	100	97.1
December 1998	Fair	Very Good	Satisfactory	Satisfactory	100	91.4
November 1996	Fair	Very Good	Satisfactory	Good	100	91.4
February 1995	Fair	Very Good	Satisfactory	Good	31	89.4
January 1993	Fair	Very Good	Satisfactory	Good	31	89.4
January 1991	Fair	Very Good	Satisfactory	Good	31	83.5

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
Timber Girder/Beam	linear ft.	1,368	1,163	123	82	0
Substructure
Timber Abutment	linear ft.	85	85	0	0	0
Timber Pile	each	32	22	9	1	0
Timber Pier Cap	linear ft.	171	65	99	7	0
Deck
Timber Deck	sq. ft.	2,476	2,228	248	0	0
Wearing Surfaces	sq. ft.	2,476	2,253	0	223	0
Bridge Rail
Timber Bridge Rail	linear ft.	151	124	21	6	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/1316844