Route 29 over 7TH O NS;CSX;JAMES RV @
Map
Coordinates:
+37.41820, -79.1437137°25'06" N, 79°08'37" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | Route 29 over 7TH O NS;CSX;JAMES RV @ |
Structure number: | 000000000020541 |
Location: | .02-Rt.501 & .00-Amherst |
Purpose: | Carries highway and pedestrian walkway over highway, waterway, and railroad |
Route classification: | Other Principal Arterial (Urban) [14] |
Length of largest span: | 161.1 ft. [49.1 m] |
Total length: | 1808.2 ft. [551.1 m] |
Roadway width between curbs: | 71.9 ft. [21.9 m] |
Deck width edge-to-edge: | 75.5 ft. [23.0 m] |
Vertical clearance below bridge: | 16.4 ft. [5.0 m] |
Owner: | City or Municipal Highway Agency [04] |
Year built: | 1988 |
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: | 17 |
Main spans material: | Steel continuous [4] |
Main spans design: | Stringer/Multi-beam or girder [02] |
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: | 13,503 [as of 2014] |
Truck traffic: | 1% of total traffic |
Deck condition: | Satisfactory [6 out of 9] |
Superstructure condition: | Good [7 out of 9] |
Substructure condition: | Good [7 out of 9] |
Structural appraisal: | Better than present minimum criteria [7] |
Deck geometry appraisal: | Superior to present desirable criteria [9] |
Underclearances appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Water adequacy appraisal: | Equal to present desirable criteria [8] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Channel protection: | Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7] |
Pier/abutment protection: | In place and functioning [2] |
Scour condition: | Bridge foundations determined to be stable for assessed or calculated scour condition. [5] |
Sufficiency rating: | 86.5 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
January 2018 | Fair | Satisfactory | Good | Good | 13503 | 86.5 |
January 2017 | Fair | Satisfactory | Good | Good | 13503 | 86.5 |
January 2016 | Fair | Satisfactory | Good | Good | 13503 | 86.5 |
February 2015 | Fair | Satisfactory | Good | Good | 13503 | 86.5 |
January 2014 | Fair | Satisfactory | Good | Good | 13000 | 86.7 |
January 2012 | Good | Good | Good | Good | 25000 | 82.8 |
January 2010 | Good | Good | Good | Good | 17797 | 85.7 |
December 2007 | Fair | Satisfactory | Good | Good | 17797 | 85.7 |
December 2005 | Fair | Satisfactory | Good | Good | 17797 | 85.7 |
September 2004 | Good | Good | Good | Good | 17797 | 85.7 |
September 2002 | Good | Good | Good | Good | 17797 | 85.7 |
October 2000 | Good | Good | Good | Good | 17797 | 85.7 |
September 1998 | Good | Good | Good | Good | 17797 | 85.7 |
April 1997 | Good | Good | Good | Good | 17797 | 85.7 |
September 1994 | Good | Good | Very Good | Very Good | 17797 | 83.5 |
September 1992 | Good | Very Good | Very Good | Very Good | 12685 | 91.0 |
September 1990 | Good | Good | Very Good | Good | 12685 | 91.0 |
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. | 17,942 | 17,338 | 604 | 0 | 0 |
Steel Protective Coating | sq. ft. | 199,917 | 195,687 | 4,230 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 136,437 | 19,143 | 117,243 | 51 | 0 |
Substructure |
Reinforced Concrete Column | each | 3 | 3 | 0 | 0 | 0 |
Reinforced Concrete Pier Wall | linear ft. | 424 | 419 | 5 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 291 | 219 | 36 | 36 | 0 |
Reinforced Concrete Pile Cap/Footing | linear ft. | 150 | 133 | 5 | 12 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 1,107 | 1,105 | 2 | 0 | 0 |
Joints |
Compression Joint | linear ft. | 1,950 | 1,155 | 795 | 0 | 0 |
Assembly with Seal | each | 440 | 181 | 153 | 106 | 0 |
Bearings |
Movable Bearing | each | 94 | 57 | 37 | 0 | 0 |
Steel Protective Coating | sq. ft. | 564 | 342 | 222 | 0 | 0 |
Fixed Bearing | each | 37 | 19 | 18 | 0 | 0 |
Steel Protective Coating | sq. ft. | 222 | 114 | 108 | 0 | 0 |
Pot Bearing | each | 45 | 28 | 17 | 0 | 0 |
Steel Protective Coating | sq. ft. | 360 | 272 | 88 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 1,808 | 1,771 | 33 | 4 | 0 |