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Nearby Bridges in NBI 2021: 1


SAW MILL ROAD over DARBY CREEK (Route: 0)
Num:15399x
Open: no restriction [A]
Built: 1922, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 16.5 m = 54.1 ft
Main Spans: 1 at 16.5 m = 54.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.6 m = 18.4 ft (2 Lanes) and Out-To-Out: 6.4 m = 21.0 ft for a 5.8 m = 19.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Radnor [63264]: Delaware County [045], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 6
1.1MI.WEST PA-320 13-A1
Condition
Deck: Not Applicable [N]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 72.6 metric ton = 79.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: December 1999 [1299] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 5660 (2017) and Trucks: 3%
Future ADT: 7075 (In 2032 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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