SH 71 ML over BOB CREEK CANAL
Map
Coordinates:
+38.18198, -103.7481038°10'55" N, 103°44'53" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | SH 71 ML over BOB CREEK CANAL |
Structure number: | L-22-G |
Location: | 8 MI NORTH OF JCT US 50 M |
Purpose: | Carries highway over waterway |
Route classification: | Minor Arterial (Rural) [06] |
Length of largest span: | 25.9 ft. [7.9 m] |
Total length: | 67.6 ft. [20.6 m] |
Roadway width between curbs: | 29.9 ft. [9.1 m] |
Deck width edge-to-edge: | 34.1 ft. [10.4 m] |
Owner: | State Highway Agency [01] |
Year built: | 1966 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18+Mod / HS 20+Mod [6] |
Number of main spans: | 3 |
Main spans material: | Concrete [1] |
Main spans design: | Slab [01] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Bituminous [6] |
Latest Available Inspection: January 2018
Good/Fair/Poor Condition: | Good |
Status: | Open, no restriction [A] |
Average daily traffic: | 1,800 [as of 2011] |
Truck traffic: | 9% of total traffic |
Deck condition: | Very Good [8 out of 9] |
Superstructure condition: | Very Good [8 out of 9] |
Substructure condition: | Good [7 out of 9] |
Structural appraisal: | Better than present minimum criteria [7] |
Deck geometry appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Water adequacy appraisal: | Equal to present desirable criteria [8] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Channel protection: | Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7] |
Scour condition: | Bridge foundations determined to be stable for the assessed or calculated scour condition. [8] |
Sufficiency rating: | 89.8 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
January 2018 | Good | Very Good | Very Good | Good | 1800 | 89.8 |
January 2016 | Good | Very Good | Very Good | Very Good | 1800 | 89.8 |
January 2014 | Good | Very Good | Very Good | Very Good | 1800 | 86.8 |
January 2012 | Good | Very Good | Very Good | Very Good | 1400 | 86.9 |
March 2010 | Good | Very Good | Very Good | Very Good | 1400 | 86.9 |
January 2008 | Good | Very Good | Very Good | Very Good | 1400 | 86.9 |
January 2006 | Good | Very Good | Very Good | Very Good | 1709 | 86.8 |
January 2004 | Good | Very Good | Very Good | Very Good | 1883 | 86.8 |
January 2002 | Good | Very Good | Very Good | Very Good | 1883 | 86.7 |
February 2000 | Good | Very Good | Very Good | Very Good | 1600 | 86.7 |
January 1998 | Good | Very Good | Very Good | Very Good | 1350 | 86.8 |
February 1996 | Good | Very Good | Very Good | Very Good | 1350 | 88.2 |
February 1994 | Good | Very Good | Very Good | Very Good | 1500 | 89.0 |
March 1991 | Good | Very Good | Very Good | Very Good | 1200 | 89.0 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Substructure |
Reinforced Concrete Pier Wall | linear ft. | 68 | 65 | 3 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 68 | 68 | 0 | 0 | 0 |
Joints |
Pourable Joint | linear ft. | 60 | 60 | 0 | 0 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 135 | 135 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 135 | 135 | 0 | 0 | 0 |
Deck |
Reinforced Concrete Slab | sq. ft. | 2,295 | 2,295 | 0 | 0 | 0 |
Wearing Surfaces | sq. ft. | 2,025 | 2,025 | 0 | 0 | 0 |