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Nearby Bridges in NBI 2021: 3


BOTTOM ROAD over LITTLE GUNPOWDER FALLS (Route: 293)
Num:200000B-0006010x
Posted for load [P]
Built: 1886, Reconstructed: 2001
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Aluminum: Wrought Iron or Cast Iron [9] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 30.5 m = 100.1 ft
Main Spans: 1 at 29.6 m = 97.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.1 m = 13.5 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 3.05 m = 10.0 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Baltimore County [005], Maryland [24]
Owned by County Highway Agency [02], DOT District: 4
1.8 MI NE OF FORK ROAD
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 38.1 metric ton = 41.9 tons (Load Factor(LF) [1])
Inventory: 22.7 metric ton = 25.0 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: 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: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 200 (2012) and Trucks: 5%
Future ADT: 500 (In 2032 )
BOTTOM ROAD over OVERSHOT BRANCH (Route: 271)
Num:200000H-0057010x
Open: no restriction [A]
Built: 1978, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 12.8 m = 42.0 ft
Main Spans: 1 at 11.3 m = 37.1 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 8.3 m = 27.2 ft (2 Lanes) and Out-To-Out: 9.2 m = 30.2 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Harford County [025], Maryland [24]
Owned by County Highway Agency [02], DOT District: 4
0.03 MILES N OF GUYTON RD
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 58 metric ton = 63.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 300 (2019) and Trucks: 5%
Future ADT: 370 (In 2039 )
FRIENDSHIP ROAD over OVERSHOT BRANCH (Route: 272)
Num:200000H-0059010x
Open: no restriction [A]
Built: 1975, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 13.4 m = 44.0 ft
Main Spans: 1 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 9.7 m = 31.8 ft (2 Lanes) and Out-To-Out: 10.7 m = 35.1 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Harford County [025], Maryland [24]
Owned by County Highway Agency [02], DOT District: 4
1.0 MILES S OF MD 152
Condition
Deck: Not Applicable [N]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 28.6 metric ton = 31.5 tons (Load Factor(LF) [1])
Inventory: 16.8 metric ton = 18.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 975 (2019) and Trucks: 5%
Future ADT: 1190 (In 2039 )

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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