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SOUTHWEST FREEWAY over 4TH STREET, S.W.

Washington, District of Columbia

Map

Coordinates:
+38.88243, -77.01778
38°52'57" N, 77°01'04" 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:	13.1 ft. `[4.0 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 2017

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]`
Sufficiency rating:	83.0
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$1,500,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2017	Fair	Satisfactory	Satisfactory	Satisfactory	153700	83.0
November 2015	Fair	Satisfactory	Satisfactory	Satisfactory	153700	83.0
November 2013	Fair	Satisfactory	Satisfactory	Satisfactory	153700	83.0
November 2011	Fair	Good	Very Good	Fair	153700	72.0
September 2009	Fair	Good	Fair	Good	153700	72.0
October 2007	Fair	Good	Fair	Good	163000	72.0
May 2005	Fair	Good	Satisfactory	Good	163000	83.0
May 2003	Fair	Good	Satisfactory	Good	163000	83.0
January 2001	Good	Good	Good	Good	163000	84.0
August 1998	Fair	Good	Satisfactory	Good	163000	84.0
October 1996	Fair	Good	Satisfactory	Good	163000	84.0
February 1994	Fair	Satisfactory	Satisfactory	Good	163000	71.9
December 1991	Fair	Fair	Satisfactory	Good	163000	82.3

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
Prestressed Concrete Girder/Beam	linear ft.	1,942	1,882	35	25	0
Deck
Reinforced Concrete Deck	sq. ft.	11,632	11,606	22	4	0
Substructure
Reinforced Concrete Abutment	linear ft.	310	273	11	26	0
Joints
Compression Joint	linear ft.	385	149	70	166	0
Bearings
Movable Bearing	each	26	11	14	1	0
Steel Protective Coating	sq. ft.	13	11	0	0	2
Fixed Bearing	each	26	12	14	0	0
Steel Protective Coating	sq. ft.	13	11	0	0	2
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	225	213	4	8	0
Concrete Protective Coating	sq. ft.	1,690	0	0	676	1,014

© Copyright 2012-19, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1076701