STH 21 over IH USH 51-IH 39
Map
Coordinates:
+44.03504, -89.5292844°02'06" N, 89°31'45" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | STH 21 over IH USH 51-IH 39 |
Structure number: | B69002000000000 |
Location: | AT JCT STH 21-USH 51 |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Other (Rural) [02] |
Length of largest span: | 130.9 ft. [39.9 m] |
Total length: | 253.9 ft. [77.4 m] |
Roadway width between curbs: | 51.8 ft. [15.8 m] |
Deck width edge-to-edge: | 70.9 ft. [21.6 m] |
Vertical clearance below bridge: | 16.4 ft. [5.0 m] |
Skew angle: | 24° |
Owner: | State Highway Agency [01] |
Year built: | 1985 |
Year reconstructed: | 2015 |
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: | 2 |
Main spans material: | Steel continuous [4] |
Main spans design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
Latest Available Inspection: June 2018
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 5,100 [as of 2015] |
Truck traffic: | 9% of total traffic |
Deck condition: | Satisfactory [6 out of 9] |
Superstructure condition: | Good [7 out of 9] |
Substructure condition: | Good [7 out of 9] |
Structural appraisal: | Better than present minimum criteria [7] |
Deck geometry appraisal: | Superior to present desirable criteria [9] |
Underclearances appraisal: | Equal to present minimum criteria [6] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 93.0 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
June 2018 | Fair | Satisfactory | Good | Good | 5100 | 93.0 |
June 2016 | Fair | Satisfactory | Good | Good | 5100 | 93.0 |
June 2014 | Good | Good | Good | Good | 4700 | 91.0 |
June 2012 | Good | Good | Good | Good | 4700 | 91.0 |
June 2010 | Good | Good | Good | Good | 4700 | 91.8 |
June 2008 | Good | Good | Very Good | Good | 4700 | 91.8 |
June 2006 | Good | Good | Very Good | Good | 4700 | 91.8 |
October 2004 | Good | Good | Very Good | Good | 4700 | 91.8 |
October 2002 | Good | Good | Very Good | Good | 6130 | 91.7 |
August 2001 | Good | Good | Very Good | Good | 3925 | 92.6 |
October 2000 | Good | Good | Very Good | Good | 3925 | 92.6 |
October 1998 | Fair | Satisfactory | Very Good | Good | 3925 | 94.6 |
November 1997 | Fair | Satisfactory | Very Good | Good | 3925 | 94.6 |
August 1996 | Good | Good | Very Good | Very Good | 3925 | 94.6 |
July 1995 | Good | Good | Very Good | Very Good | 3925 | 94.7 |
May 1994 | Good | Good | Very Good | Very Good | 3925 | 94.7 |
May 1993 | Good | Good | Very Good | Very Good | 3440 | 94.7 |
October 1992 | Good | Very Good | Very Good | Very Good | 3440 | 94.7 |
August 1991 | Good | Very Good | Very Good | Very Good | 2790 | 99.8 |
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. | 1,758 | 1,758 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 26,267 | 26,254 | 13 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 18,041 | 17,122 | 846 | 73 | 0 |
Wearing Surfaces | sq. ft. | 18,041 | 14,541 | 3,500 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 5 | 5 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 156 | 120 | 34 | 2 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 72 | 67 | 5 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 150 | 10 | 140 | 0 | 0 |
Bearings |
Elastomeric Bearing | each | 7 | 7 | 0 | 0 | 0 |
Movable Bearing | each | 7 | 5 | 2 | 0 | 0 |
Fixed Bearing | each | 7 | 7 | 0 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 507 | 451 | 56 | 0 | 0 |