NFA K510 over WORKHOUSE BAYOU

Map 

Facts 

Name:	NFA K510 over WORKHOUSE BAYOU
Structure number:	790K5100001
Location:	HEARD AVE IN MEMPHIS
Purpose:	Carries highway over waterway
Route classification:	Local (Urban) [19]
Length of largest span:	12.1 ft. [3.7 m]
Total length:	23.0 ft. [7.0 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1950
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	2
Main spans material:	Concrete continuous [2]
Main spans design:	Culvert [19]
Deck type:	Not applicable [N]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	810 [as of 2010]
Truck traffic:	1% of total traffic
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]
Culvert condition:	Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
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:	89.3

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,000 [as of 2000]
Truck traffic:	1% of total traffic
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]
Culvert condition:	Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
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:	89.2

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