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NFSR #487 over S FK JUDITH RIVER

Judith Basin County, Montana

Map

Coordinates:
+46.78603, -110.30096
46°47'10" N, 110°18'03" W

Facts

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

Name:	NFSR #487 over S FK JUDITH RIVER
Structure number:	011504000000025
Location:	19 MI. SW OF UTICA
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	23.6 ft. `[7.2 m]`
Total length:	24.6 ft. `[7.5 m]`
Roadway width between curbs:	14.1 ft. `[4.3 m]`
Deck width edge-to-edge:	15.1 ft. `[4.6 m]`
Skew angle:	45°
Owner:	U.S. Forest Service `[64]`
Year built:	1958
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Main span material:	Wood or timber `[7]`
Main span design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Wood or Timber `[7]`

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	65 `[as of 2001]`
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Critical `[2 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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 is scour critical; field review indicates that extensive scour has occurred at bridge foundations. `[2]`
Sufficiency rating:	19.5

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Poor	Fair	Satisfactory	Critical	65	19.5
June 2016	Poor	Fair	Fair	Critical	65	19.5
July 2014	Fair	Satisfactory	Fair	Fair	65	62.3
July 2012	Fair	Satisfactory	Fair	Fair	50	74.0
September 2008	Fair	Satisfactory	Fair	Fair	50	74.0
August 2004	Fair	Fair	Fair	Fair	50	74.0
September 2002	Fair	Fair	Fair	Fair	50	72.0
December 1998	Fair	Fair	Fair	Fair	50	73.0
October 1996	Fair	Good	Satisfactory	Satisfactory	50	85.0
November 1994	Fair	Good	Satisfactory	Satisfactory	50	85.0

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