Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Steel [3] 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: 103.3 m = 338.9 ft
Main Spans: 2 at 42.4 m = 139.1 ft
Approach Spans: 1
Skew: 47
Width, Roadway: 18 m = 59.1 ft (4 Lanes) and Out-To-Out: 20 m = 65.6 ft for a 21.9 m = 71.9 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 State Highway Agency [01], DOT District: 9
0.4 MILE WEST OF TR 403 S
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 63.5 metric ton = 69.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: March 1999 [399] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 15044 (2021) and Trucks: 7%
Future ADT: 18981 (In 2032
)