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31-MC13 over UNNAMED WATERWAY

Map

Coordinates:
+35.65964, -108.76273
35°39'35" N, 108°45'46" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:31-MC13 over UNNAMED WATERWAY
Structure number:000000000008092
Location:0.4 MI E US-491 @ MP-9.7
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:71.9 ft. [21.9 m]
Total length:75.1 ft. [22.9 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:17.1 ft. [5.2 m]
Owner:County Highway Agency [02]
Year built:1976
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Aluminum, Wrought Iron or Cast Iron [9]
Main span design:Truss - Thru [10]
Deck type:Aluminum [7]
Wearing surface:Other [9]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:193 [as of 2016]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:44.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$186,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairSatisfactoryFairFair19344.3
August 2014FairSatisfactoryFairSatisfactory19444.3
August 2013FairSatisfactoryFairSatisfactory19244.3
August 2012FairSatisfactoryFairSatisfactory19448.1
August 2011FairSatisfactoryFairSatisfactory19448.1
June 2010FairSatisfactorySatisfactorySatisfactory19446.4
June 2009FairSatisfactorySatisfactorySatisfactory19846.4
June 2008FairSatisfactorySatisfactorySatisfactory19846.4
June 2007FairSatisfactorySatisfactorySatisfactory20246.4
June 2006FairSatisfactorySatisfactorySatisfactory20246.4
June 2005FairSatisfactorySatisfactorySatisfactory20646.4
June 2004FairSatisfactorySatisfactorySatisfactory20246.4
July 2003FairSatisfactoryGoodGood19846.4
July 2002FairSatisfactoryGoodGood19046.4
August 2001FairFairGoodGood18645.4
August 2000FairFairGoodGood18645.4
August 1999FairFairGoodGood17845.4
August 1998FairSatisfactoryGoodGood17846.4
August 1997FairSatisfactoryGoodGood17046.4
August 1996FairSatisfactoryGoodGood16646.4
September 1995PoorPoorGoodGood16643.0
October 1994FairFairGoodGood16645.0
October 1993FairFairGoodGood16649.1
October 1992FairFairGoodGood16649.1
October 1991FairSatisfactoryGoodGood16350.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Stringerlinear ft.29916413500
Steel Trusslinear ft.1511232800
Steel Floor Beamlinear ft.118793900
Steel Pin or Pin & Hangar Assemblyeach1616000
Steel Gusset Plateeach4040000
Substructure
Reinforced Concrete Abutmentlinear ft.3636000
Deck
Open Grid Decksq. ft.1,27590037500