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Nearby Bridges in NBI 2021: 2


NIDA LANE over MILL BRANCH (Route: 610)
Num:1100x
Posted for load [P]
Built: 1974, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 10.4 m = 34.1 ft
Main Spans: 1 at 10.4 m = 34.1 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 5.8 m = 19.0 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Alleghany County [005], Virginia [51]
Owned by State Highway Agency [01], DOT District: 8
0.10 TO 611 & 0.08 TO 18
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: HL93 [A]
Operating: 30.8 metric ton = 33.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 23.6 metric ton = 26.0 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: June 2020 [0620] and Frequency: 12
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 35 (2017) and Trucks: 0%
Future ADT: 178 (In 2035 )
POTTS CREEK ROAD over MILL BRANCH (Route: 18)
Num:25954x
Open: no restriction [A]
Built: 1998, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 7.9 m = 25.9 ft
Main Spans: 2 at 3.7 m = 12.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.8 m = 42.0 ft (2 Lanes) and Out-To-Out: 14.3 m = 46.9 ft for a 6.4 m = 21.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Alleghany County [005], Virginia [51]
Owned by State Highway Agency [01], DOT District: 8
.01 TO 610S & .04 TO 610N
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.5 metric ton = 49.0 tons ()
Inventory: 32.7 metric ton = 36.0 tons ()
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2021 [0321] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 1009 (2018) and Trucks: 1%
Future ADT: 1500 (In 2035 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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