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US 29 over SOUTHERN RAILROAD

Map

Coordinates:
+35.12425, -81.50928
35°07'27" N, 81°30'33" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 29 over SOUTHERN RAILROAD
Structure number:000000000000263
Old structure number:001120002900800 (from 1992 edition)
Location:CITY LIMITS BLACKSBURG
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:36.1 ft. [11.0 m]
Total length:107.9 ft. [32.9 m]
Roadway width between curbs:27.6 ft. [8.4 m]
Deck width edge-to-edge:38.1 ft. [11.6 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:1928
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:4,800 [as of 2017]
Truck traffic:8% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:47.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$683,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017PoorPoorPoorFair480047.1
November 2015PoorPoorPoorFair420048.2
November 2013PoorPoorPoorFair480048.2
December 2011PoorPoorPoorFair450034.5
December 2009PoorPoorPoorFair480034.5
December 2007PoorPoorPoorFair580034.5
December 2005PoorPoorPoorFair500034.5
February 2000PoorFairPoorFair660034.6
February 1990FairFairFairFair575848.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.5400480600
Deck
Reinforced Concrete Decksq. ft.2,95902,95900
Wearing Surfacessq. ft.2,9162,916000
Substructure
Reinforced Concrete Columneach1601600
Reinforced Concrete Pier Caplinear ft.1530120330
Joints
Pourable Jointlinear ft.7600760
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.216021600