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FDR 504 over NARRAGUINNEP CANYON

Map

Coordinates:
+37.65102, -108.72534
37°39'04" N, 108°43'31" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FDR 504 over NARRAGUINNEP CANYON
Structure number:021302000001171
Location:11.6 MI ON FDR 504
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:36.1 ft. [11.0 m]
Total length:44.0 ft. [13.4 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Owner:U.S. Forest Service [64]
Year built:1937
Year reconstructed:1960
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:20 [as of 2003]
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:98.3
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$24,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodVery GoodGood2098.3
August 2015GoodGoodGoodGood2098.9
July 2013GoodGoodGoodGood2097.9
July 2011FairFairGoodSatisfactory2096.1
August 2009FairFairGoodFair2085.1
May 2009FairFairGoodFair2085.1
August 2005----2099.1
August 2003PoorPoorSatisfactorySatisfactory2092.1
August 2001FairFairGoodFair7783.7
August 1999FairFairGoodFair7781.5
October 1995FairSatisfactoryGoodFair7782.5