Bridge Type
Main Span(s): Prestressed concrete continuous [6] 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: 17.1 m = 56.1 ft
Main Spans: 1 at 16.5 m = 54.1 ft
Approach Spans: 0
Skew: 9
Width, Roadway: 11.6 m = 38.1 ft (2 Lanes) and Out-To-Out: 11.6 m = 38.1 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Duncannon [20240]: Perry County [099], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 8
DUNCANNON BORO
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: HL93 [A]
Operating: 59 metric ton = 64.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 46.3 metric ton = 50.9 tons (Load and Resistance Factor(LRFR) [3])
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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 5677 (2020) and Trucks: 6%
Future ADT: 8208 (In 2032
)