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BIRCH RD over ROSS FORK CREEK 018

Judith Basin County, Montana

Map

Coordinates:
+46.93961, -109.78440
46°56'23" N, 109°47'04" W

View more info at Bridgehunter.com

Facts

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

Name:	BIRCH RD over ROSS FORK CREEK 018
Structure number:	L23027001+04001
Location:	2M NW SIPPLE
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	69.9 ft. `[21.3 m]`
Total length:	70.9 ft. `[21.6 m]`
Roadway width between curbs:	15.1 ft. `[4.6 m]`
Deck width edge-to-edge:	16.1 ft. `[4.9 m]`
Owner:	County Highway Agency `[02]`
Year built:	1925
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Wood or Timber `[7]`

Latest Available Inspection: December 2018

Good/Fair/Poor Condition:	Poor
Status:	Open, posting recommended but not legally implemented `[B]`
Average daily traffic:	100 `[as of 2003]`
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
Water adequacy appraisal:	Equal to present minimum criteria `[6]`
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 assessed or calculated scour condition. `[5]`
Sufficiency rating:	29.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$188,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
December 2018	Poor	Satisfactory	Poor	Fair	100	29.5
February 2017	Poor	Satisfactory	Poor	Fair	100	29.5
February 2015	Poor	Satisfactory	Poor	Fair	100	29.5
February 2013	Poor	Good	Poor	Fair	100	29.5
February 2011	Fair	Good	Fair	Fair	100	35.6
March 2009	Fair	Good	Satisfactory	Fair	100	35.6
April 2007	Fair	Good	Satisfactory	Satisfactory	100	45.7
March 2005	Fair	Good	Good	Fair	100	35.6
May 2003	Fair	Good	Good	Fair	100	35.6
March 2003	Fair	Very Good	Satisfactory	Fair	100	35.6
June 2001	Fair	Fair	Satisfactory	Fair	100	34.6
June 1999	Fair	Satisfactory	Satisfactory	Fair	100	35.6
February 1997	Fair	Good	Satisfactory	Fair	100	35.6
February 1995	Fair	Good	Satisfactory	Fair	31	35.7
February 1993	Fair	Very Good	Satisfactory	Fair	31	46.9
January 1991	Fair	Very Good	Satisfactory	Fair	31	46.9

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 Stringer	linear ft.	640	0	237	384	19
Steel Truss	linear ft.	141	0	83	51	7
Steel Protective Coating	sq. ft.	1,758	0	0	0	1,758
Steel Floor Beam	linear ft.	66	7	59	0	0
Steel Protective Coating	sq. ft.	264	0	0	53	211
Steel Gusset Plate	each	18	0	18	0	0
Steel Protective Coating	sq. ft.	36	0	0	0	36
Substructure
Reinforced Concrete Abutment	linear ft.	52	0	0	52	0
Deck
Timber Deck	sq. ft.	1,141	879	205	57	0
Wearing Surfaces	sq. ft.	497	99	373	25	0
Bearings
Fixed Bearing	each	4	0	4	0	0
Steel Protective Coating	sq. ft.	4	0	0	0	4
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	141	0	141	0	0
Steel Protective Coating	sq. ft.	214	0	0	0	214

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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