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Nearby Bridges in NBI 2021: 1


MD 68 over CONOCOCHEAGUE CREEK (Route: 68)
Num:100000210036010x
Open: no restriction [A]
Built: 1829, Reconstructed: 1987
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Masonry [8] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 50.9 m = 167.0 ft
Main Spans: 4 at 11.3 m = 37.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.1 m = 23.3 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 7 m = 23.0 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 State Highway Agency [01], DOT District: 6
0.20 MILE WEST OF US 11
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 72.6 metric ton = 79.9 tons (Load Factor(LF) [1])
Inventory: 43.5 metric ton = 47.9 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: 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: January 2021 [0121] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 4532 (2009) and Trucks: 8%
Future ADT: 5767 (In 2026 )

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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