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Nearby Bridges in NBI 2021: 1


BULLFROG ROAD over MONOCACY RIVER (Route: 49)
Num:200000F-0506010x
Bridge closed to all traffic [K]
Built: 1908, Reconstructed: 1995
Historic: Bridge is on the NRHP. [1]

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:
Bridge Dimensions
Length: 55.8 m = 183.1 ft
Main Spans: 1 at 55.8 m = 183.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4 m = 13.1 ft (1 Lanes) and Out-To-Out: 5 m = 16.4 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 4.57 m = 15.0 ft and Navigational Clearance: 0 = N/A
Location
Emmitsburg [26200]: Frederick County [021], Maryland [24]
Owned by County Highway Agency [02], DOT District: 7
0.6 MI S OF BOLLINGER SCL
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Good [7]
Loading
Design:
Operating: 44 metric ton = 48.4 tons (Load Factor(LF) [1])
Inventory: 26.3 metric ton = 28.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry:
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: December 1999 [1299] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 300 (2018) and Trucks: 1%
Future ADT: 500 (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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