SOUTHWEST FREEWAY over 4TH STREET, S.W.
Map
Coordinates:
+38.88232, -77.0175638°52'56" N, 77°01'03" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | SOUTHWEST FREEWAY over 4TH STREET, S.W. |
Structure number: | 1100 |
Location: | SOUTHWEST FRWY & 4TH |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Interstate (Urban) [11] |
Length of largest span: | 71.9 ft. [21.9 m] |
Total length: | 75.1 ft. [22.9 m] |
Roadway width between curbs: | 150.3 ft. [45.8 m] |
Deck width edge-to-edge: | 155.2 ft. [47.3 m] |
Vertical clearance below bridge: | 14.4 ft. [4.4 m] |
Owner: | State Highway Agency [01] |
Year built: | 1959 |
Year reconstructed: | 1991 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Main span material: | Prestressed concrete [5] |
Main span design: | Box beam or girders - Multiple [05] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
Latest Available Inspection: November 2015
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 153,700 [as of 2007] |
Truck traffic: | 5% 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: | Equal to present minimum criteria [6] |
Underclearances appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Pier/abutment protection: | Navigation protection not required [1] |
Scour condition: | Bridge not over waterway. [N] |
Operating rating: | 94.8 tons [86.2 metric tons] |
Inventory rating: | 56.9 tons [51.7 metric tons] |
Sufficiency rating: | 83.0 |
Recommended work: | Other structural work, including hydraulic replacements. [38] |
Estimated cost of work: | $1,500,000 |
Previous Inspections
Date | Suff. Rating | Condition | Deck | Superstructure | Substructure | SD/FO | ADT |
---|
November 2015 | 83.0 | Fair | Satisfactory | Satisfactory | Satisfactory | - | 153700 |
November 2013 | 83.0 | Fair | Satisfactory | Satisfactory | Satisfactory | - | 153700 |
November 2011 | 72.0 | Fair | Good | Very Good | Fair | - | 153700 |
September 2009 | 72.0 | Fair | Good | Fair | Good | - | 153700 |
October 2007 | 72.0 | Fair | Good | Fair | Good | - | 163000 |
May 2005 | 83.0 | Fair | Good | Satisfactory | Good | - | 163000 |
May 2003 | 83.0 | Fair | Good | Satisfactory | Good | - | 163000 |
January 2001 | 84.0 | Good | Good | Good | Good | - | 163000 |
August 1998 | 84.0 | Fair | Good | Satisfactory | Good | - | 163000 |
October 1996 | 84.0 | Fair | Good | Satisfactory | Good | - | 163000 |
February 1994 | 71.9 | Fair | Satisfactory | Satisfactory | Good | - | 163000 |
December 1991 | 82.3 | Fair | Fair | Satisfactory | Good | - | 163000 |
Element Data
Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
Element | Units | Quantity | 1. Good | 2. Fair | 3. Poor | 4. Serious |
---|
Superstructure |
Prestressed Concrete Girder/Beam | linear ft. | 1,942 | 1,883 | 46 | 13 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 11,632 | 11,627 | 2 | 3 | 0 |
Substructure |
Reinforced Concrete Abutment | linear ft. | 310 | 276 | 14 | 20 | 0 |
Joints |
Compression Joint | linear ft. | 385 | 150 | 70 | 165 | 0 |
Bearings |
Movable Bearing | each | 26 | 22 | 3 | 1 | 0 |
Steel Protective Coating | sq. ft. | 13 | 12 | 0 | 0 | 1 |
Fixed Bearing | each | 26 | 23 | 3 | 0 | 0 |
Steel Protective Coating | sq. ft. | 13 | 13 | 0 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 225 | 213 | 4 | 8 | 0 |
Concrete Protective Coating | sq. ft. | 1,690 | 0 | 0 | 1,140 | 550 |