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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 43.6 m = 143.1 ft
Main Spans: 1 at 42.7 m = 140.1 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 10.4 m = 34.1 ft (2 Lanes) and Out-To-Out: 11.4 m = 37.4 ft for a 6.4 m = 21.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Armstrong [03064]: Indiana County [063], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 10
0.3 mi N SR 422 Interse
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 56.1 metric ton = 61.7 tons (Unknown [F])
Inventory: 43.1 metric ton = 47.4 tons (Unknown [F])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 2.3 km = 1.4 mi
Traffic
ADT: 1496 (2021) and Trucks: 3%
Future ADT: 1521 (In 2032
)