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NFA B518 over BLACK BAYOU

Map

Coordinates:
+35.09694, -89.93194
35°05'49" N, 89°55'55" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA B518 over BLACK BAYOU
Structure number:790B6240001
Location:BARRON RD IN MEMPHIS
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:23.0 ft. [7.0 m]
Total length:57.1 ft. [17.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Owner:City or Municipal Highway Agency [04]
Year built:1954
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,750 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 the assessed or calculated scour condition. [8]
Operating rating:39.6 tons [36.0 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:84.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201584.6FairSatisfactoryGoodSatisfactory-1750
April 201384.6FairSatisfactoryGoodSatisfactory-1750
June 201173.5FairSatisfactoryGoodFair-1750
August 200973.5FairSatisfactoryGoodFair-1750
October 200773.5FairSatisfactoryGoodFair-1750
November 200573.5FairSatisfactoryGoodFair-1750
November 200373.5FairSatisfactoryGoodFair-1750
November 200173.5FairSatisfactoryGoodFair-2000
April 200073.5FairSatisfactoryGoodFair-2000
June 199857.4PoorSatisfactoryVery GoodPoorSD2000
January 199673.5FairSatisfactoryGoodFair-2000
September 199366.8FairSatisfactoryGoodFairFO2000
December 199166.8FairSatisfactoryGoodFairFO2000