Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 645 m = 2116.2 ft
Main Spans: 3 at 237.7 m = 779.9 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 12 m = 39.4 ft for a 14 m = 45.9 ft approaching roadway.
Vertical Clearance: 4.47 m = 14.7 ft and Navigational Clearance: 21 m = 68.9 ft
Location
Rochester [65392]: Beaver County [007], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 11
ROCHESTER MONACA BRIDGE
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 62.6 metric ton = 68.9 tons (Load Factor(LF) [1])
Inventory: 37.2 metric ton = 40.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Bridge deck rehabilitation with only incidental widening. [36]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 16515 (2021) and Trucks: 3%
Future ADT: 13313 (In 2040
)