Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 37.2 m = 122.1 ft
Main Spans: 2 at 17.7 m = 58.1 ft
Approach Spans: 0
Skew: 6
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.2 m = 33.5 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
South Whitehall [72632]: Lehigh County [077], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 5
INT.W/IRON BRIDGE RD.
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 66.2 metric ton = 72.8 tons (Load Factor(LF) [1])
Inventory: 39.9 metric ton = 43.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 2020 [0120] and Frequency: 48
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 14575 (2021) and Trucks: 4%
Future ADT: 15930 (In 2032
)
