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CHIEF MOUNTAIN INT over LEE CREEK

Map

Coordinates:
+48.98253, -113.63042
48°58'57" N, 113°37'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CHIEF MOUNTAIN INT over LEE CREEK
Structure number:1430032P0000000
Location:12.7 miles north of Saint
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:80.4 ft. [24.5 m]
Total length:209.7 ft. [63.9 m]
Roadway width between curbs:30.8 ft. [9.4 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:National Park Service [66]
Year built:1935
Year reconstructed:1979
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:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:246 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:76.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$204,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactoryGoodSatisfactory24676.5
September 2015FairSatisfactoryGoodSatisfactory24675.5
September 2013FairSatisfactoryGoodSatisfactory24675.5
September 2011FairSatisfactoryGoodSatisfactory24675.5
August 2009FairSatisfactoryGoodSatisfactory24675.5
August 2007FairSatisfactoryGoodSatisfactory50073.1
August 2005FairSatisfactoryGoodSatisfactory50072.0
August 2003FairSatisfactoryGoodSatisfactory50072.0
August 2001FairSatisfactoryGoodGood50077.3
July 1999GoodGoodGoodGood50071.2