HistoricBridges.org Menu: HistoricBridges.org Menu:



BridgeSeek

Nearby Bridges in NBI 2021: 1


MD 56 over IS 70 (Route: 56)
Num:100000210096010x
Open: no restriction [A]
Built: 1964, Reconstructed: 1973
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 70.4 m = 231.0 ft
Main Spans: 4 at 24.1 m = 79.1 ft
Approach Spans: 0
Skew: 13
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 11.4 m = 37.4 ft for a 12.8 m = 42.0 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
1.46 MILES S OF US 40
Condition
Deck: Very Good [8]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 55.3 metric ton = 60.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 2021 [0121] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 461 (2009) and Trucks: 8%
Future ADT: 749 (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.

Divider

Back

Top

Divider

About - Contact

Divider