IS 270 W over RT H
Map
Coordinates:
+38.76712, -90.1823738°46'02" N, 90°10'57" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | IS 270 W over RT H |
Structure number: | 824 |
Old structure number: | A10251 3 (from 1992 edition) |
Location: | S 114 T 47 N R 7 E |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Interstate (Urban) [11] |
Length of largest span: | 63.0 ft. [19.2 m] |
Total length: | 215.9 ft. [65.8 m] |
Roadway width between curbs: | 44.3 ft. [13.5 m] |
Deck width edge-to-edge: | 46.9 ft. [14.3 m] |
Vertical clearance below bridge: | 13.1 ft. [4.0 m] |
Skew angle: | 9° |
Owner: | State Highway Agency [01] |
Year built: | 1962 |
Year reconstructed: | 1999 |
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: | 4 |
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: July 2017
Good/Fair/Poor Condition: | Good |
Status: | Open, no restriction [A] |
Average daily traffic: | 26,661 [as of 2017] |
Truck traffic: | 18% of total traffic |
Deck condition: | Good [7 out of 9] |
Superstructure condition: | Good [7 out of 9] |
Substructure condition: | Very Good [8 out of 9] |
Structural appraisal: | Better than present minimum criteria [7] |
Deck geometry appraisal: | Superior to present desirable criteria [9] |
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: | 94.7 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
July 2017 | Good | Good | Good | Very Good | 26661 | 94.7 |
July 2015 | Good | Good | Very Good | Very Good | 25526 | 94.8 |
September 2013 | Good | Good | Very Good | Very Good | 24615 | 96.9 |
September 2011 | Good | Good | Very Good | Very Good | 26228 | 96.8 |
September 2009 | Good | Good | Very Good | Very Good | 27642 | 96.7 |
September 2007 | Good | Good | Good | Very Good | 28309 | 96.7 |
August 2005 | Good | Good | Good | Very Good | 27204 | 96.7 |
August 2004 | Good | Good | Good | Very Good | 26463 | 79.5 |
August 2002 | Good | Good | Good | Very Good | 26676 | 96.8 |
August 2001 | Good | Good | Good | Very Good | 26729 | 96.7 |
July 2000 | Fair | Excellent | Satisfactory | Very Good | 24902 | 95.7 |
June 1998 | Poor | Poor | Satisfactory | Fair | 24902 | 60.5 |
November 1991 | Poor | Poor | Poor | Very Good | 27473 | 45.5 |
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. | 1,266 | 1,250 | 16 | 0 | 0 |
Steel Protective Coating | sq. ft. | 11,301 | 3,729 | 7,572 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 10,154 | 8,122 | 2,032 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 9 | 9 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 129 | 107 | 22 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 138 | 130 | 8 | 0 | 0 |
Bearings |
Elastomeric Bearing | each | 18 | 18 | 0 | 0 | 0 |
Enclosed/Concealed Bearing | each | 12 | 12 | 0 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 465 | 0 | 465 | 0 | 0 |