Share:

NFA B518 over BLACK BAYOU

Map 

Coordinates:
+35.09694, -89.93194
35°05'49" N, 89°55'55" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 

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. ratingEvaluationDeckSuper.Sub.ADT
April 201584.6Not deficientSatisfactoryGoodSatisfactory1750
April 201384.6Not deficientSatisfactoryGoodSatisfactory1750
June 201173.5Not deficientSatisfactoryGoodFair1750
August 200973.5Not deficientSatisfactoryGoodFair1750
October 200773.5Not deficientSatisfactoryGoodFair1750
November 200573.5Not deficientSatisfactoryGoodFair1750
November 200373.5Not deficientSatisfactoryGoodFair1750
November 200173.5Not deficientSatisfactoryGoodFair2000
April 200073.5Not deficientSatisfactoryGoodFair2000
June 199857.4Structurally deficientSatisfactoryVery GoodPoor2000
January 199673.5Not deficientSatisfactoryGoodFair2000
September 199366.8Functionally obsoleteSatisfactoryGoodFair2000
December 199166.8Functionally obsoleteSatisfactoryGoodFair2000