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Nearby Bridges in NBI 2021: 3


US 11 over POTOMAC RIVER: CSX TRANS (Route: 11)
Num:100000210001010x
Open: no restriction [A]
Built: 1909, Reconstructed: 1980
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 518.5 m = 1701.2 ft
Main Spans: 17 at 30.5 m = 100.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [10450]: Washington County [043], Maryland [24]
Owned by State Highway Agency [01], DOT District: 6
ON WEST VIRGINIA ST LINE
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 89.3 metric ton = 98.2 tons (Load Factor(LF) [1])
Inventory: 53.5 metric ton = 58.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 5882 (2009) and Trucks: 8%
Future ADT: 7370 (In 2026 )
RIVER PARK ROAD over C&O CANAL (Route: 42000)
Num:3100009P0000000x
Posted for load [P]
Built: 1879, Reconstructed: 2006
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 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:
Bridge Dimensions
Length: 32.7 m = 107.3 ft
Main Spans: 2 at 20.4 m = 66.9 ft
Approach Spans: 0
Skew: 22
Width, Roadway: 2.9 m = 9.5 ft (1 Lanes) and Out-To-Out: 3.4 m = 11.2 ft for a 4.9 m = 16.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Washington County [043], Maryland [24]
Owned by National Park Service [66], DOT District: 0
Route 68 to Salisbury Str
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: M 9 / H 10 [1]
Operating: 68.9 metric ton = 75.8 tons (Load Factor(LF) [1])
Inventory: 51.7 metric ton = 56.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 200 (2007) and Trucks: 2%
Future ADT: 220 (In 2027 )
MD 68 over CONOCOCHEAGUE CREEK (Route: 68)
Num:100000210036010x
Open: no restriction [A]
Built: 1829, Reconstructed: 1987
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Masonry [8] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 50.9 m = 167.0 ft
Main Spans: 4 at 11.3 m = 37.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.1 m = 23.3 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Washington County [043], Maryland [24]
Owned by State Highway Agency [01], DOT District: 6
0.20 MILE WEST OF US 11
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 72.6 metric ton = 79.9 tons (Load Factor(LF) [1])
Inventory: 43.5 metric ton = 47.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: January 2021 [0121] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 4532 (2009) and Trucks: 8%
Future ADT: 5767 (In 2026 )

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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