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Nearby Bridges in NBI 2021: 1


MILL ROAD: T-564 over CONEWAGO CREEK (Route: 0)
Num:14644x
Bridge closed to all traffic [K]
Built: 1946, 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): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Closed Grating [4] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 32.6 m = 107.0 ft
Main Spans: 2 at 15.8 m = 51.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.2 m = 13.8 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Conewago [15640]: Dauphin County [043], Pennsylvania [42]
Owned by Town or Township Highway Agency [03], DOT District: 8
1.4 MI NE OF SR 0230
Condition
Deck: Poor [4]
Superstructure:
Substructure: Fair [5]
Loading
Design:
Operating: 39 metric ton = 42.9 tons (Load Factor(LF) [1])
Inventory: 23.6 metric ton = 26.0 tons (Load Factor(LF) [1])
Appraisal
Structural:
Deck Geometry:
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: June 1999 [699] 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: 0.5 km = 0.3 mi
Traffic
ADT: 182 (2018) and Trucks: 3%
Future ADT: 202 (In 2038 )

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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