NBL Route 15 over 460 Bypass
Map
Coordinates:
+37.31238, -78.4610337°18'45" N, 78°27'40" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | NBL Route 15 over 460 Bypass |
Structure number: | 000000000013885 |
Location: | 0.24N-Rt 15/ 0.40-Rt 460B |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Other (Rural) [02] |
Length of largest span: | 122.1 ft. [37.2 m] |
Total length: | 245.1 ft. [74.7 m] |
Roadway width between curbs: | 29.9 ft. [9.1 m] |
Deck width edge-to-edge: | 34.1 ft. [10.4 m] |
Vertical clearance below bridge: | 16.4 ft. [5.0 m] |
Owner: | State Highway Agency [01] |
Year built: | 1976 |
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: | 2 |
Main spans material: | Steel continuous [4] |
Main spans 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: October 2017
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 1,762 [as of 2014] |
Deck condition: | Good [7 out of 9] |
Superstructure condition: | Satisfactory [6 out of 9] |
Substructure condition: | Good [7 out of 9] |
Structural appraisal: | Equal to present minimum criteria [6] |
Deck geometry appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Underclearances appraisal: | Equal to present minimum criteria [6] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 94.1 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
October 2017 | Fair | Good | Satisfactory | Good | 1762 | 94.1 |
October 2015 | Good | Good | Good | Good | 1762 | 94.1 |
October 2013 | Good | Good | Good | Good | 4589 | 82.5 |
October 2011 | Good | Good | Good | Good | 4589 | 82.5 |
October 2009 | Good | Very Good | Good | Good | 4589 | 82.5 |
June 2007 | Fair | Satisfactory | Good | Fair | 4443 | 71.4 |
May 2005 | Fair | Satisfactory | Good | Fair | 4094 | 71.4 |
July 2003 | Good | Good | Good | Good | 4094 | 82.5 |
June 2001 | Good | Good | Good | Good | 4094 | 82.5 |
May 1999 | Good | Good | Good | Good | 4000 | 80.5 |
July 1997 | Good | Good | Good | Good | 4000 | 80.5 |
June 1995 | Good | Good | Good | Good | 4000 | 80.6 |
May 1993 | Good | Good | Good | Very Good | 3973 | 80.6 |
March 1991 | Good | Good | Good | Very Good | 2740 | 80.7 |
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. | 980 | 486 | 480 | 14 | 0 |
Steel Protective Coating | sq. ft. | 13,503 | 6,710 | 0 | 6,614 | 179 |
Deck |
Reinforced Concrete Deck | sq. ft. | 8,362 | 8,125 | 237 | 0 | 0 |
Wearing Surfaces | sq. ft. | 7,318 | 7,027 | 284 | 7 | 0 |
Substructure |
Reinforced Concrete Pier Wall | linear ft. | 11 | 10 | 1 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 116 | 100 | 15 | 1 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 33 | 28 | 5 | 0 | 0 |
Joints |
Pourable Joint | linear ft. | 68 | 56 | 12 | 0 | 0 |
Bearings |
Movable Bearing | each | 8 | 0 | 8 | 0 | 0 |
Steel Protective Coating | sq. ft. | 16 | 0 | 0 | 16 | 0 |
Fixed Bearing | each | 4 | 0 | 4 | 0 | 0 |
Steel Protective Coating | sq. ft. | 8 | 0 | 0 | 8 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 490 | 489 | 1 | 0 | 0 |
Reinforced Concrete Bridge Rail | linear ft. | 490 | 490 | 0 | 0 | 0 |