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NFA A634 over RR GRADE RD / DOE RIVER

Map

Coordinates:
+36.23578, -82.15540
36°14'09" N, 82°09'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA A634 over RR GRADE RD / DOE RIVER
Structure number:100A6340001
Location:N OF SR 37-E OF SR173 JCT
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:105.6 ft. [32.2 m]
Total length:110.9 ft. [33.8 m]
Roadway width between curbs:9.2 ft. [2.8 m]
Deck width edge-to-edge:10.2 ft. [3.1 m]
Vertical clearance above deck:19.7 ft. [6.0 m]
Owner:County Highway Agency [02]
Year built:1889
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:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:50 [as of 2018]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 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:Better than present minimum criteria [7]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:41.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,268,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorGoodFairPoor5041.0
September 2015PoorSeriousFairPoor502.0
September 2013PoorSeriousFairPoor502.0
January 2012PoorSeriousFairPoor5032.4
September 2009PoorPoorPoorPoor509.1
September 2007PoorPoorPoorPoor509.1
September 2005PoorPoorPoorPoor509.1
October 2003PoorFairSatisfactoryPoor5039.0
September 2001FairFairSatisfactoryFair5055.3
August 1999PoorPoorPoorPoor5049.9
October 1997PoorPoorPoorPoor5049.9
August 1995PoorPoorFairFair4052.5
August 1993PoorPoorFairFair4052.5
October 1991PoorPoorFairFair4052.5