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Nearby Bridges in NBI 2021: 4


MARYLAND AVENUE over TIBER BRANCH (Route: 199)
Num:200000HO0130010x
Open: no restriction [A]
Built: 1955, Reconstructed: N/A [0000]
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] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 8.4 m = 27.6 ft
Main Spans: 1 at 7.9 m = 25.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11 m = 36.1 ft (3 Lanes) and Out-To-Out: 34.1 m = 111.9 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Ellicott City [26000]: Howard County [027], Maryland [24]
Owned by County Highway Agency [02], DOT District: 7
AT MAIN STREET
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 51.2 metric ton = 56.3 tons (Load Factor(LF) [1])
Inventory: 30.8 metric ton = 33.9 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: Meets minimum tolerable limits to be left in place as is [4] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 6000 (1993) and Trucks: 4%
Future ADT: 6000 (In 2015 )
TIBER ALLEY over TIBER RIVER (Route: 201)
Num:200000HO0107010x
Posted for load [P]
Built: 1935, Reconstructed: 1984
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): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Steel plate (includes orthotropic) [5] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 11.6 m = 38.1 ft
Main Spans: 1 at 10.4 m = 34.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.1 m = 16.7 ft (2 Lanes) and Out-To-Out: 5.2 m = 17.1 ft for a 5.2 m = 17.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Howard County [027], Maryland [24]
Owned by County Highway Agency [02], DOT District: 7
0.01 MI S MAIN STREET
Condition
Deck: Good [7]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design:
Operating: 20.9 metric ton = 23.0 tons (Load Factor(LF) [1])
Inventory: 12.2 metric ton = 13.4 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: March 1999 [399] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 45 (2000) and Trucks: 50%
Future ADT: 50 (In 2015 )
OLD COLUMBIA PIKE over TIBER HUDSON BRANCH (Route: 0)
Num:200000HO0132010x
Open: no restriction [A]
Built: 1997, Reconstructed: N/A [0000]
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): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 15.5 m = 50.9 ft
Main Spans: 1 at 13.4 m = 44.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 22.6 m = 74.2 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Ellicott City [26000]: Howard County [027], Maryland [24]
Owned by County Highway Agency [02], DOT District: 7
0.01 MI E OF MAIN STREET
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design:
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 39.9 metric ton = 43.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 5887 (1998) and Trucks: 2%
Future ADT: 9400 (In 2015 )
WESTCHESTER AVENUE over RAVINE WITH BICYCLE TRAI (Route: 2929)
Num:200000B-0055010x
Open: no restriction [A]
Built: 0, Reconstructed: 1968
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Steel plate (includes orthotropic) [5] with Wearing Surface: Other [9]
Bridge Dimensions
Length: 31.1 m = 102.0 ft
Main Spans: 1 at 30.5 m = 100.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.1 m = 13.5 ft (1 Lanes) and Out-To-Out: 5 m = 16.4 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]: Baltimore County [005], Maryland [24]
Owned by County Highway Agency [02], DOT District: 4
0.2 MI N FREDERICK RD
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 39.5 metric ton = 43.5 tons (Load Factor(LF) [1])
Inventory: 23.6 metric ton = 26.0 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 minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 2020 [0120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 1730 (2018) and Trucks: 5%
Future ADT: 4590 (In 2038 )

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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