BIRDTAIL RD over FLAT CREEK 036
Map
Coordinates:
+47.25192, -112.0648847°15'07" N, 112°03'54" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | BIRDTAIL RD over FLAT CREEK 036 |
Structure number: | L25320003+09001 |
Location: | 8M SE BOWMANS |
Purpose: | Carries highway over waterway |
Route classification: | Local (Rural) [09] |
Length of largest span: | 59.1 ft. [18.0 m] |
Total length: | 61.0 ft. [18.6 m] |
Roadway width between curbs: | 15.7 ft. [4.8 m] |
Deck width edge-to-edge: | 16.1 ft. [4.9 m] |
Owner: | County Highway Agency [02] |
Year built: | 1901 |
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: November 2017
Good/Fair/Poor Condition: | Fair |
Status: | Posted for load [P] |
Average daily traffic: | 100 [as of 2002] |
Deck condition: | Satisfactory [6 out of 9] |
Superstructure condition: | Satisfactory [6 out of 9] |
Substructure condition: | Fair [5 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: | Equal to present desirable criteria [8] |
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: | 26.0 |
Recommended work: | Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31] |
Estimated cost of work: | $164,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
November 2017 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
November 2015 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
December 2013 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
January 2012 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
January 2010 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
January 2008 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
February 2006 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
March 2004 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
February 2002 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
December 1999 | Fair | Satisfactory | Satisfactory | Fair | 100 | 26.0 |
March 1997 | Fair | Good | Good | Satisfactory | 100 | 37.2 |
July 1995 | Fair | Good | Good | Satisfactory | 31 | 38.9 |
October 1992 | Fair | Satisfactory | Good | Satisfactory | 31 | 41.2 |
January 1991 | Fair | Very Good | Good | Satisfactory | 31 | 41.2 |
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 |
Steel Stringer | linear ft. | 610 | 0 | 610 | 0 | 0 |
Steel Protective Coating | sq. ft. | 1,068 | 320 | 214 | 214 | 320 |
Timber Stringer | linear ft. | 62 | 35 | 27 | 0 | 0 |
Steel Truss | linear ft. | 121 | 0 | 115 | 6 | 0 |
Steel Protective Coating | sq. ft. | 385 | 38 | 154 | 77 | 116 |
Steel Floor Beam | linear ft. | 82 | 0 | 82 | 0 | 0 |
Steel Protective Coating | sq. ft. | 262 | 79 | 52 | 52 | 79 |
Substructure |
Steel Column | each | 4 | 0 | 4 | 0 | 0 |
Steel Protective Coating | sq. ft. | 226 | 1 | 90 | 45 | 90 |
Timber Abutment | linear ft. | 69 | 26 | 43 | 0 | 0 |
Deck |
Timber Deck | sq. ft. | 980 | 443 | 293 | 244 | 0 |
Bearings |
Fixed Bearing | each | 4 | 0 | 4 | 0 | 0 |
Steel Protective Coating | sq. ft. | 4 | 0 | 2 | 1 | 1 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 121 | 0 | 121 | 0 | 0 |
Steel Protective Coating | sq. ft. | 161 | 0 | 16 | 48 | 97 |