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NFA A861 over ROBERTSON CREEK

Map

Coordinates:
+36.35982, -83.03685
36°21'35" N, 83°02'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA A861 over ROBERTSON CREEK
Structure number:370A8610001
Location:1.1 M NW OF SR66-SR70 JCT
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:40.0 ft. [12.2 m]
Total length:42.0 ft. [12.8 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Owner:County Highway Agency [02]
Year built:1987
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:560 [as of 2018]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
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:71.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$98,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodGoodFair56071.5
June 2015FairGoodGoodFair56071.5
June 2013FairGoodGoodFair56071.5
June 2011FairGoodVery GoodFair56071.5
June 2009FairGoodVery GoodFair56074.6
July 2007FairGoodVery GoodFair56074.6
July 2005FairGoodVery GoodFair56074.6
July 2003FairGoodVery GoodFair56074.6
June 2001FairGoodVery GoodFair58075.6
July 1999FairGoodVery GoodFair58075.6
July 1997FairGoodVery GoodFair17079.4
August 1995FairGoodVery GoodFair17079.4
July 1993FairGoodVery GoodFair17079.4
September 1991FairGoodVery GoodFair17079.4