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: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 44.2 m = 145.0 ft
Main Spans: 1 at 43.3 m = 142.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.5 m = 14.8 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 4.55 m = 14.9 ft and Navigational Clearance: 0 = N/A
Location
Tyrone [78176]: Blair County [013], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 9
.2 MI.NW.OF BIRMINGHAM
Condition
Deck: Good [7]
Superstructure: Poor [4]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 28.1 metric ton = 30.9 tons (Load Factor(LF) [1])
Inventory: 19.1 metric ton = 21.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: July 2020 [0720] 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: 15.9 km = 9.9 mi
Traffic
ADT: 27 (2020) and Trucks: 0%
Future ADT: 55 (In 2040
)
