Bridge Type
Main Span(s): Prestressed concrete [5] Box Beam or girders - Single or Spread [06]
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: 19.8 m = 65.0 ft
Main Spans: 1 at 19.5 m = 64.0 ft
Approach Spans: 0
Skew: 5
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 12.6 m = 41.3 ft for a 9.8 m = 32.2 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
GILBERT ST:BROWNSTOWN R
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 83.5 metric ton = 91.9 tons (Load Factor(LF) [1])
Inventory: 48.1 metric ton = 52.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 2018 [1018] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 1762 (2020) and Trucks: 3%
Future ADT: 2259 (In 2040
)