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Blackrock Run Bridge

Map 

Street Views 

Description 

Apparently a Bailey Bridge erected to replace a bridge washed out in Tropical Storm Agnes in 1972.

Facts 

Overview
Pony truss bridge over Blackrock Run on Western Run Road
Location
Baltimore County, Maryland
Status
Open to traffic
History
Built 1974
Design
Bailey pony truss
Dimensions
Length of largest span: 110.9 ft.
Total length: 117.1 ft.
Deck width: 11.2 ft.
Approximate latitude, longitude
+39.53410, -76.72493   (decimal degrees)
39°32'03" N, 76°43'30" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/351760/4377470 (zone/easting/northing)
Quadrangle map:
Hereford
Inventory number
BH 69397 (Bridgehunter.com ID)
Inspection (as of 04/2015)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 61.7 (out of 100)
Average daily traffic (as of 2013)
1,200

Update Log 

  • June 9, 2017: New Street View added by Alexander D. Mitchell IV
  • September 26, 2015: New Street View added by Andy Peters

Sources 

  • Andy Peters - anpete1971 [at] gmail [dot] com
  • Alexander D. Mitchell IV

Comments 

Blackrock Run Bridge
Posted June 9, 2017, by Alexander D. Mitchell IV

This appears to be a Bailey bridge constructed to replace a bridge washed out in 1972 flooding.