Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface:
Bridge Dimensions
Length: 31.4 m = 103.0 ft
Main Spans: 1 at 30.5 m = 100.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.7 m = 12.1 ft (1 Lanes) and Out-To-Out: 4.2 m = 13.8 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 4.42 m = 14.5 ft and Navigational Clearance: 0 = N/A
Location
Blaine [06840]: Washington County [125], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 12
NEAR SR 221 INTERSECTION
Condition
Deck: Satisfactory [6]
Superstructure: Critical [2]
Substructure: Poor [4]
Loading
Design: M 9 / H 10 [1]
Operating: 14.5 metric ton = 16.0 tons (Allowable Stress(AS) [2])
Inventory: 10.9 metric ton = 12.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 60 (1990) and Trucks: 0%
Future ADT: 60 (In 2000
)