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Seaman Bridge

Photos 

View from south end looking north east

Photo taken by Jodi Christman on 05/11/2012

Enlarge

BH Photo #231913

Map 

Description 

THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY notes that the 168'-long, pin-connected, Balitmore thru truss bridge was determined eligible for the National Register by PHMC.

Facts 

Overview
Baltimore Through truss bridge over Mahantango Creek on Deibler Gap Road
Location
Dauphin County, Pennsylvania, and Northumberland County, Pennsylvania
Status
Closed to all traffic
History
Built ca. 1900
Builder
- Chambersburg Bridge Co. of Chambersburg, Pennsylvania
Design
Baltimore through truss
Dimensions
Length of largest span: 162.1 ft.
Total length: 168.0 ft.
Deck width: 14.1 ft.
Vertical clearance above deck: 12.0 ft.
Recognition
Posted to the National Register of Historic Places in 1993
Approximate latitude, longitude
+40.62589, -76.85574   (decimal degrees)
40°37'33" N, 76°51'21" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/343046/4498884 (zone/easting/northing)
Quadrangle map:
Pillow
Inventory numbers
PA 22 7212 0474 3027 (Pennsylvania Bridge Management System number)
PANBI 14693 (Pennsylvania BRKEY bridge number on the 2011 NBI)
NRHP 93000720 (National Register of Historic Places reference number)
BH 30840 (Bridgehunter.com ID)
Inspection report (as of August 2015)
Overall condition: Poor
Superstructure condition rating: Imminent Failure (1 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Imminent Failure (1 out of 9)
Sufficiency rating: 15 (out of 100)
View more at BridgeReports.com

Update Log 

  • May 13, 2012: Updated by Jodi Christman: Added category "Pin-connected"
  • April 13, 2012: Updated by Jodi Christman: Added builder and NR # and year
  • January 7, 2012: Updated by Jodi Christman: Corrected Road Name and added description note
  • May 27, 2010: Updated by Cliff Darby: Added GPS coordinates

Sources