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LARSON LOOP RD over BOX ELDER CREEK 025

Carter County, Montana

Map

Coordinates:
+45.54557, -104.42475
45°32'44" N, 104°25'29" W

View more info at Bridgehunter.com

Facts

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

Name:	LARSON LOOP RD over BOX ELDER CREEK 025
Structure number:	L06044001+05001
Location:	30M S EKALAKA
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	69.9 ft. `[21.3 m]`
Total length:	71.9 ft. `[21.9 m]`
Roadway width between curbs:	15.7 ft. `[4.8 m]`
Deck width edge-to-edge:	16.4 ft. `[5.0 m]`
Owner:	County Highway Agency `[02]`
Year built:	1933
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: August 2017

Good/Fair/Poor Condition:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	100 `[as of 2004]`
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Deck geometry appraisal:	Equal to present desirable criteria `[8]`
Water adequacy appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Roadway alignment appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
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:	28.6
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$194,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Poor	Satisfactory	Fair	Poor	100	28.6
August 2015	Fair	Good	Satisfactory	Fair	100	37.3
August 2013	Fair	Good	Satisfactory	Fair	100	34.4
September 2011	Fair	Good	Satisfactory	Fair	100	34.4
September 2009	Fair	Good	Satisfactory	Satisfactory	100	45.6
September 2007	Fair	Good	Satisfactory	Fair	100	35.5
October 2005	Fair	Good	Good	Fair	100	35.5
February 2004	Fair	Good	Good	Satisfactory	100	45.6
November 2001	Fair	Good	Good	Satisfactory	100	45.6
November 1999	Fair	Good	Good	Satisfactory	100	41.0
February 1998	Good	Good	Good	Good	100	41.0
November 1995	Fair	Very Good	Satisfactory	Very Good	31	41.2
May 1994	Fair	Satisfactory	Good	Very Good	31	41.2
February 1992	Good	Good	Good	Very Good	31	43.9
February 1990	Good	Good	Good	Very Good	31	43.9

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