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Nearby Bridges in NBI 2021: 3


MD 144WB over LITTLE TONOLOWAY CREEK (Route: 144)
Num:100000210008010x
Open: no restriction [A]
Built: 1925, Reconstructed: 1952
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 14.6 m = 47.9 ft
Main Spans: 1 at 13.1 m = 43.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.3 m = 37.1 ft (2 Lanes) and Out-To-Out: 15.3 m = 50.2 ft for a 11.3 m = 37.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bartonsville [04650]: Washington County [043], Maryland [24]
Owned by State Highway Agency [01], DOT District: 6
0.01 MILE WEST OF US 522
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 63.5 metric ton = 69.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 4051 (2009) and Trucks: 8%
Future ADT: 5652 (In 2026 )
PARK ROAD 2 over LITTLE TONOLOWAY CREEK (Route: 0)
Num:200000W-HA01010x
Open: no restriction [A]
Built: 1950, Reconstructed: 2005
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 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: Bituminous [6]
Bridge Dimensions
Length: 12.8 m = 42.0 ft
Main Spans: 1 at 11.3 m = 37.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5 m = 16.4 ft (1 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 4.6 m = 15.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Hancock [36600]: Washington County [043], Maryland [24]
Owned by Town or Township Highway Agency [03], DOT District: 6
0.16 MI N MD RT 144
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 57.6 metric ton = 63.4 tons (Load Factor(LF) [1])
Inventory: 34.5 metric ton = 38.0 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: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 116 (2018) and Trucks: 5%
Future ADT: 200 (In 2038 )
LITTLE TONOLOWAY A over C&O CANAL (Route: 207)
Num:3100011P0000000x
Bridge closed to all traffic [K]
Built: 1969, Reconstructed: 2002
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 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: 12.8 m = 42.0 ft
Main Spans: 1 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3 m = 9.8 ft (1 Lanes) and Out-To-Out: 3.7 m = 12.1 ft for a 3.7 m = 12.1 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
0.2 miles from Little Ton
Condition
Deck: Fair [5]
Superstructure: Serious [3]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 4.5 metric ton = 5.0 tons ()
Inventory: 4.5 metric ton = 5.0 tons ()
Appraisal
Structural:
Deck Geometry:
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: 15.9 km = 9.9 mi
Traffic
ADT: 72 (2007) and Trucks: 1%
Future ADT: 79 (In 2027 )

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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