Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 9.8 m = 32.2 ft
Main Spans: 1 at 9.4 m = 30.8 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 11.7 m = 38.4 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Johnstown [38288]: Cambria County [021], Pennsylvania [42]
Owned by City or Municipal Highway Agency [04], DOT District: 9
MCMILLEN ST.:JOHNSTOWN
Condition
Deck: Excellent [9]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Inventory: 10.9 metric ton = 12.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: November 1999 [1199] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 656 (2019) and Trucks: 10%
Future ADT: 841 (In 2039
)