Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Steel [3] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 182.6 m = 599.1 ft
Main Spans: 6 at 22.9 m = 75.1 ft
Approach Spans: 6
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Pittsburgh [61000]: Allegheny County [003], Pennsylvania [42]
Owned by City or Municipal Highway Agency [04], DOT District: 11
301110 SWINBURNE BRIDGE
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: MS 18 / HS 20 [5]
Operating: 29.9 metric ton = 32.9 tons (Load Factor(LF) [1])
Inventory: 18.1 metric ton = 19.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 2018 [1018] 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: 6000 (2005) and Trucks: 5%
Future ADT: 6600 (In 2018
)