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NFA B575 over BLACK BAYOU

Map 

Coordinates:
+35.11306, -89.93306
35°06'47" N, 89°55'59" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NFA B575 over BLACK BAYOU
Structure number:79028090001
Location:SPOTTSWOOD AVE - MEMPHIS
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:15.1 ft. [4.6 m]
Total length:33.1 ft. [10.1 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Owner:City or Municipal Highway Agency [04]
Year built:1978
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2015 

Status:Open, no restriction [A]
Average daily traffic:3,660 [as of 2016]
Truck traffic:2% of total traffic
Structural appraisal:Better than present minimum criteria [7]
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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:64.1 tons [58.3 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:78.3
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$119,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201578.3Not deficient---3660
April 201378.3Not deficient---3660
June 201178.3Not deficientGoodGoodGood3660
August 200978.3Not deficientGoodGoodGood3660
November 200778.3Not deficientGoodGoodGood3660
November 200578.3Not deficientGoodGoodGood3660
November 200378.3Not deficientGoodGoodGood3660
December 200172.3Functionally obsoleteGoodGoodGood11700
April 200072.3Functionally obsoleteGoodGoodGood11700
June 199872.3Functionally obsoleteGoodGoodGood11700
January 199674.8Functionally obsolete---11700
September 199374.8Functionally obsolete---11700
December 199174.8Functionally obsolete---11700