US 85 over Cheyenne River
Map
Coordinates:
+43.42735, -104.1964443°25'38" N, 104°11'47" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | US 85 over Cheyenne River |
Structure number: | FRA |
Location: | Mule Creek Jct-Newcastle |
Purpose: | Carries highway over waterway |
Route classification: | Principal Arterial - Other (Rural) [02] |
Length of largest span: | 164.1 ft. [50.0 m] |
Total length: | 420.0 ft. [128.0 m] |
Roadway width between curbs: | 40.0 ft. [12.2 m] |
Deck width edge-to-edge: | 42.7 ft. [13.0 m] |
Skew angle: | 30° |
Owner: | State Highway Agency [01] |
Year built: | 1990 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Number of main spans: | 3 |
Main spans material: | Steel continuous [4] |
Main spans design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Latest Available Inspection: June 2018
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 2,131 [as of 2017] |
Truck traffic: | 10% 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: | Equal to present desirable criteria [8] |
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 the assessed or calculated scour condition. [8] |
Sufficiency rating: | 95.0 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
June 2018 | Fair | Satisfactory | Good | Satisfactory | 2131 | 95.0 |
February 2017 | Fair | Satisfactory | Satisfactory | Satisfactory | 1200 | 95.0 |
February 2015 | Fair | Satisfactory | Satisfactory | Satisfactory | 925 | 95.0 |
January 2013 | Fair | Satisfactory | Satisfactory | Satisfactory | 882 | 95.0 |
February 2011 | Fair | Fair | Satisfactory | Satisfactory | 770 | 94.0 |
February 2009 | Fair | Fair | Satisfactory | Satisfactory | 860 | 94.0 |
February 2007 | Fair | Fair | Satisfactory | Satisfactory | 840 | 94.0 |
February 2005 | Fair | Fair | Satisfactory | Satisfactory | 840 | 94.0 |
March 2003 | Fair | Fair | Good | Satisfactory | 920 | 94.0 |
March 2001 | Fair | Fair | Good | Satisfactory | 850 | 94.0 |
March 1999 | Good | Good | Excellent | Good | 800 | 93.0 |
February 1997 | Good | Good | Excellent | Good | 800 | 93.0 |
March 1995 | Fair | Satisfactory | Excellent | Good | 760 | 93.0 |
March 1993 | Good | Good | Good | Very Good | 790 | 93.0 |
September 1991 | Good | Good | Good | Very Good | 790 | 93.0 |
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 Girder/Beam | linear ft. | 2,100 | 2,097 | 0 | 3 | 0 |
Steel Protective Coating | sq. ft. | 35,942 | 35,939 | 0 | 0 | 3 |
Deck |
Reinforced Concrete Deck | sq. ft. | 17,892 | 8,121 | 8,886 | 885 | 0 |
Substructure |
Reinforced Concrete Column | each | 4 | 0 | 4 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 180 | 166 | 14 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 90 | 0 | 90 | 0 | 0 |
Joints |
Pourable Joint | linear ft. | 96 | 0 | 0 | 0 | 96 |
Open Joint | linear ft. | 192 | 84 | 108 | 0 | 0 |
Bearings |
Movable Bearing | each | 15 | 0 | 15 | 0 | 0 |
Steel Protective Coating | sq. ft. | 60 | 45 | 0 | 0 | 15 |
Fixed Bearing | each | 5 | 0 | 5 | 0 | 0 |
Steel Protective Coating | sq. ft. | 20 | 15 | 0 | 0 | 5 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 907 | 907 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 2,902 | 2,902 | 0 | 0 | 0 |