SH 71 ML over BOB CREEK CANAL
Map
Coordinates:
+38.26459, -103.7484738°15'53" N, 103°44'54" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | SH 71 ML over BOB CREEK CANAL |
Structure number: | K-22-F |
Location: | 3.3 MI N OF JCT SH 96 E |
Purpose: | Carries highway over waterway |
Route classification: | Minor Arterial (Rural) [06] |
Length of largest span: | 44.9 ft. [13.7 m] |
Total length: | 47.9 ft. [14.6 m] |
Roadway width between curbs: | 24.0 ft. [7.3 m] |
Deck width edge-to-edge: | 27.9 ft. [8.5 m] |
Skew angle: | 30° |
Owner: | State Highway Agency [01] |
Year built: | 1955 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Main span material: | Steel [3] |
Main span design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Bituminous [6] |
Latest Available Inspection: January 2018
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 860 [as of 2011] |
Truck traffic: | 21% of total traffic |
Deck condition: | Satisfactory [6 out of 9] |
Superstructure condition: | Satisfactory [6 out of 9] |
Substructure condition: | Fair [5 out of 9] |
Structural appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Deck geometry appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Water adequacy appraisal: | Equal to present desirable criteria [8] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Channel protection: | Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8] |
Scour condition: | Bridge foundations determined to be stable for the assessed or calculated scour condition. [8] |
Sufficiency rating: | 54.2 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
January 2018 | Fair | Satisfactory | Satisfactory | Fair | 860 | 54.2 |
January 2016 | Fair | Good | Satisfactory | Fair | 860 | 54.2 |
January 2014 | Fair | Good | Good | Satisfactory | 860 | 49.9 |
May 2012 | Fair | Good | Good | Satisfactory | 880 | 49.6 |
March 2010 | Fair | Good | Good | Satisfactory | 880 | 49.6 |
January 2008 | Fair | Good | Good | Satisfactory | 880 | 49.6 |
January 2006 | Fair | Good | Good | Satisfactory | 478 | 56.7 |
January 2004 | Fair | Good | Good | Satisfactory | 621 | 63.4 |
January 2002 | Fair | Good | Good | Satisfactory | 621 | 54.2 |
February 2000 | Fair | Good | Good | Satisfactory | 598 | 54.6 |
January 1998 | Fair | Good | Good | Satisfactory | 360 | 56.2 |
February 1996 | Fair | Good | Good | Satisfactory | 360 | 58.9 |
February 1994 | Good | Good | Good | Good | 310 | 62.5 |
March 1991 | Good | Good | Good | Good | 480 | 60.6 |
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. | 180 | 46 | 134 | 0 | 0 |
Steel Protective Coating | sq. ft. | 180 | 46 | 0 | 0 | 134 |
Deck |
Reinforced Concrete Deck | sq. ft. | 1,344 | 1,215 | 126 | 3 | 0 |
Wearing Surfaces | sq. ft. | 1,152 | 1,152 | 0 | 0 | 0 |
Substructure |
Timber Column | each | 16 | 0 | 14 | 2 | 0 |
Reinforced Concrete Abutment | linear ft. | 64 | 51 | 10 | 3 | 0 |
Joints |
Pourable Joint | linear ft. | 56 | 52 | 4 | 0 | 0 |
Bearings |
Fixed Bearing | each | 8 | 0 | 4 | 4 | 0 |
Steel Protective Coating | sq. ft. | 8 | 0 | 0 | 0 | 8 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 96 | 96 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 96 | 96 | 0 | 0 | 0 |