US 31 over 21 ST AVE SO
Map
Coordinates:
+33.49250, -86.7866733°29'33" N, 86°47'12" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | US 31 over 21 ST AVE SO |
Structure number: | 008236 |
Old structure number: | 00000003370097B (from 1992 edition) |
Location: | US 31 * 21 ST AVE SO |
Purpose: | Carries highway over highway |
Route classification: | Other Principal Arterial (Urban) [14] |
Length of largest span: | 74.2 ft. [22.6 m] |
Total length: | 194.9 ft. [59.4 m] |
Roadway width between curbs: | 40.0 ft. [12.2 m] |
Deck width edge-to-edge: | 43.0 ft. [13.1 m] |
Vertical clearance below bridge: | 16.4 ft. [5.0 m] |
Skew angle: | 25° |
Owner: | State Highway Agency [01] |
Year built: | 1964 |
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: | Concrete continuous [2] |
Main spans design: | Tee beam [04] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
Latest Available Inspection: February 2017
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 42,050 [as of 2017] |
Truck traffic: | 3% of total traffic |
Deck condition: | Satisfactory [6 out of 9] |
Superstructure condition: | Satisfactory [6 out of 9] |
Substructure condition: | Satisfactory [6 out of 9] |
Structural appraisal: | Equal to present minimum criteria [6] |
Deck geometry appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Underclearances appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 67.0 |
Estimated cost of work: | $2,264,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
February 2017 | Fair | Satisfactory | Satisfactory | Satisfactory | 42050 | 67.0 |
February 2015 | Fair | Satisfactory | Good | Good | 42050 | 67.0 |
February 2013 | Fair | Satisfactory | Good | Good | 42135 | 67.0 |
February 2011 | Fair | Satisfactory | Good | Good | 39495 | 69.3 |
February 2009 | Good | Good | Good | Good | 42650 | 68.9 |
February 2007 | Good | Good | Good | Very Good | 43100 | 73.8 |
February 2005 | Good | Good | Good | Very Good | 41120 | 74.0 |
February 2003 | Good | Good | Good | Very Good | 40915 | 74.1 |
April 2001 | Good | Good | Good | Very Good | 40915 | 74.1 |
April 1999 | Good | Good | Good | Very Good | 42545 | 73.9 |
December 1996 | Good | Good | Good | Very Good | 39815 | 74.2 |
January 1995 | Good | Good | Good | Very Good | 39245 | 75.2 |
December 1992 | Good | Good | Good | Very Good | 37690 | 74.4 |
November 1990 | Good | Good | Very Good | Very Good | 39660 | 74.2 |
Element Data
Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Reinforced Concrete Girder/Beam | linear ft. | 1,169 | 1,022 | 145 | 2 | 0 |
Deck |
Reinforced Concrete Top Flange | sq. ft. | 8,381 | 6,479 | 1,887 | 13 | 2 |
Wearing Surfaces | sq. ft. | 7,796 | 0 | 7,796 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 6 | 5 | 1 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 120 | 116 | 4 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 80 | 75 | 5 | 0 | 0 |
Joints |
Compression Joint | linear ft. | 86 | 0 | 0 | 86 | 0 |
Bearings |
Movable Bearing | each | 18 | 0 | 6 | 12 | 0 |
Fixed Bearing | each | 6 | 0 | 6 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 390 | 364 | 22 | 4 | 0 |