Share:

DEIBLER GAP, T-474 over MAHANTANGO CREEK

Map

Coordinates:
+40.62590, -76.85570
40°37'33" N, 76°51'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:DEIBLER GAP, T-474 over MAHANTANGO CREEK
Structure number:000000000014693
Old structure number:227212047430270 (from 1992 edition)
Location:SEAMAN BRIDGE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:162.1 ft. [49.4 m]
Total length:168.0 ft. [51.2 m]
Roadway width between curbs:14.1 ft. [4.3 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Vertical clearance above deck:12.1 ft. [3.7 m]
Owner:County Highway Agency [02]
Historic significance:Bridge is on the National Register of Historic Places [1]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Poor
Status:Bridge closed to all traffic [K]
Deck condition:Imminent Failure [1 out of 9]
Superstructure condition:Imminent Failure [1 out of 9]
Substructure condition:Fair [5 out of 9]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:15.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$920,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017PoorImminent FailureImminent FailureFair-15.0
August 2015PoorImminent FailureImminent FailureFair-15.0
August 2013PoorImminent FailureImminent FailureFair-15.0
August 2011PoorImminent FailureImminent FailureFair-15.0
August 2009PoorImminent FailureImminent FailureFair113.6
August 2007PoorImminent FailureImminent FailureFair113.6
August 2005PoorImminent FailureImminent FailureFair113.6
September 2003PoorImminent FailureImminent FailureFair-15.0
September 2001Fair--Satisfactory-15.0
September 1999Fair--Satisfactory-15.0
September 1997Good--Good-15.0
December 1995Good--Good-21.4
December 1993Good--Good-21.4
December 1991PoorImminent FailureImminent FailureGood-28.5