CONNECTICUT AVENUE over ROCK CREEK & POTOMAC PKW
Map
Coordinates:
+38.92167, -77.0503338°55'18" N, 77°03'01" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | CONNECTICUT AVENUE over ROCK CREEK & POTOMAC PKW |
Structure number: | 0029 |
Location: | OVER ROCK CREEK, N.W. |
Purpose: | Carries highway and pedestrian walkway over highway and waterway |
Route classification: | Other Principal Arterial (Urban) [14] |
Length of largest span: | 146.0 ft. [44.5 m] |
Total length: | 756.9 ft. [230.7 m] |
Roadway width between curbs: | 40.0 ft. [12.2 m] |
Deck width edge-to-edge: | 65.3 ft. [19.9 m] |
Vertical clearance below bridge: | 42.7 ft. [13.0 m] |
Owner: | State Highway Agency [01] |
Year built: | 1907 |
Year reconstructed: | 1995 |
Historic significance: | Bridge is on the National Register of Historic Places [1] |
Design load: | MS 18 / HS 20 [5] |
Number of main spans: | 7 |
Main spans material: | Concrete continuous [2] |
Main spans design: | Arch - Deck [11] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
Latest Available Inspection: January 2018
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 29,100 [as of 2007] |
Truck traffic: | 2% 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: | Basically intolerable requiring high priority of replacement [2] |
Underclearances appraisal: | Superior to present desirable criteria [9] |
Water adequacy appraisal: | Superior to present desirable criteria [9] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Channel protection: | Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6] |
Scour condition: | Bridge foundations (including piles) on dry land well above flood water elevations. [9] |
Sufficiency rating: | 77.5 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
January 2018 | Fair | Satisfactory | Satisfactory | Satisfactory | 29100 | 77.5 |
January 2016 | Fair | Satisfactory | Satisfactory | Satisfactory | 29100 | 75.4 |
December 2013 | Fair | Satisfactory | Satisfactory | Satisfactory | 29100 | 75.4 |
November 2011 | Fair | Satisfactory | Satisfactory | Satisfactory | 29100 | 75.4 |
March 2010 | Fair | Good | Satisfactory | Satisfactory | 29100 | 73.4 |
February 2008 | Fair | Good | Satisfactory | Fair | 34000 | 60.9 |
September 2005 | Good | Good | Good | Good | 34000 | 72.8 |
July 2003 | Fair | Good | Good | Satisfactory | 34000 | 72.8 |
July 2001 | Fair | Good | Good | Satisfactory | 34000 | 72.8 |
December 1998 | Good | Very Good | Good | Good | 34000 | 70.8 |
December 1996 | Good | Very Good | Good | Good | 34000 | 70.8 |
December 1990 | Poor | Poor | Poor | Poor | 34000 | 37.1 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Deck |
Reinforced Concrete Deck | sq. ft. | 66,616 | 54,255 | 12,360 | 1 | 0 |
Superstructure |
Masonry Arch | linear ft. | 1,105 | 701 | 387 | 17 | 0 |
Substructure |
Other Material Pier Wall | linear ft. | 2,573 | 2,417 | 116 | 40 | 0 |
Masonry Abutment | linear ft. | 112 | 112 | 0 | 0 | 0 |
Joints |
Pourable Joint | linear ft. | 80 | 0 | 37 | 43 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 4,494 | 4,384 | 108 | 2 | 0 |
Steel Protective Coating | sq. ft. | 20,166 | 20,046 | 115 | 5 | 0 |
Reinforced Concrete Bridge Rail | linear ft. | 862 | 852 | 10 | 0 | 0 |