RAMP 6 over Nicholson Street
Map
Coordinates:
+38.87453, -76.9758138°52'28" N, 76°58'33" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | RAMP 6 over Nicholson Street |
Structure number: | 1001(RAMP 6) |
Location: | Ramp to Nicholson St. |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Interstate (Urban) [11] |
Length of largest span: | 62.0 ft. [18.9 m] |
Total length: | 65.9 ft. [20.1 m] |
Roadway width between curbs: | 21.0 ft. [6.4 m] |
Deck width edge-to-edge: | 35.4 ft. [10.8 m] |
Vertical clearance below bridge: | 13.1 ft. [4.0 m] |
Skew angle: | 45° |
Owner: | State Highway Agency [01] |
Year built: | 1963 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Main span material: | Steel [3] |
Main span design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Latex Concrete or similar additive [3] |
Latest Available Inspection: June 2018
Good/Fair/Poor Condition: | Poor |
Status: | Open, no restriction [A] |
Average daily traffic: | 2,250 [as of 2007] |
Truck traffic: | 2% of total traffic |
Deck condition: | Poor [4 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: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Underclearances appraisal: | Basically intolerable requiring high priority of corrrective action [3] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 89.9 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
June 2018 | Poor | Poor | Satisfactory | Satisfactory | 2250 | 89.9 |
October 2016 | Poor | Poor | Satisfactory | Satisfactory | 2250 | 89.9 |
October 2014 | Poor | Poor | Satisfactory | Good | 2250 | 87.9 |
October 2012 | Poor | Serious | Satisfactory | Good | 2250 | 85.9 |
October 2010 | Poor | Serious | Satisfactory | Good | 2250 | 85.8 |
October 2008 | Fair | Fair | Satisfactory | Good | 2250 | 89.8 |
October 2006 | Poor | Poor | Satisfactory | Good | 2250 | 81.5 |
October 2004 | Fair | Satisfactory | Good | Good | 2250 | 84.5 |
November 2002 | Fair | Satisfactory | Good | Good | 2250 | 84.5 |
January 2001 | Fair | Satisfactory | Good | Good | 2250 | 83.5 |
August 1998 | Fair | Satisfactory | Good | Good | 2250 | 83.5 |
October 1996 | Fair | Satisfactory | Good | Good | 2250 | 83.5 |
July 1992 | - | - | - | - | 2250 | 90.0 |
July 1990 | - | - | - | - | 2250 | 90.0 |
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. | 390 | 0 | 356 | 34 | 0 |
Steel Protective Coating | sq. ft. | 2,145 | 215 | 772 | 1,158 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 2,343 | 2,067 | 92 | 184 | 0 |
Wearing Surfaces | sq. ft. | 1,386 | 0 | 1,386 | 0 | 0 |
Substructure |
Reinforced Concrete Abutment | linear ft. | 100 | 0 | 96 | 4 | 0 |
Joints |
Compression Joint | linear ft. | 100 | 0 | 10 | 0 | 90 |
Assembly with Seal | each | 50 | 0 | 50 | 0 | 0 |
Bearings |
Movable Bearing | each | 6 | 0 | 0 | 6 | 0 |
Steel Protective Coating | sq. ft. | 4 | 0 | 0 | 4 | 0 |
Fixed Bearing | each | 6 | 0 | 5 | 1 | 0 |
Steel Protective Coating | sq. ft. | 4 | 0 | 4 | 0 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 132 | 107 | 10 | 15 | 0 |
Reinforced Concrete Bridge Rail | linear ft. | 132 | 132 | 0 | 0 | 0 |