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Nearby Bridges in NBI 2021: 1


LEITERS MILL ROAD over ANTIETAM CREEK (Route: 771)
Num:200000W-2292010x
Open: no restriction [A]
Built: 1839, Reconstructed: 2016
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Masonry [8] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 17.1 m = 56.1 ft
Main Spans: 2 at 7.3 m = 24.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.6 m = 11.8 ft (1 Lanes) and Out-To-Out: 4.8 m = 15.7 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Smithsburg [72900]: Washington County [043], Maryland [24]
Owned by County Highway Agency [02], DOT District: 6
0.2 MI N OF MD RTE 60
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design:
Operating: 69.8 metric ton = 76.8 tons (Load Factor(LF) [1])
Inventory: 41.7 metric ton = 45.9 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: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present minimum criteria [6] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: November 1999 [1199] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 1470 (2017) and Trucks: 5%
Future ADT: 2027 (In 2037 )

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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