LOCAL ROAD over 71ST STREET DITCH

Map 

Facts 

Name:	LOCAL ROAD over 71ST STREET DITCH
Structure number:	040932262934601
Location:	0.2 MI SO. OF LA 511
Purpose:	Carries highway over waterway
Route classification:	Local (Urban) [19]
Length of largest span:	9.8 ft. [3.0 m]
Total length:	23.0 ft. [7.0 m]
Roadway width between curbs:	22.0 ft. [6.7 m]
Deck width edge-to-edge:	40.0 ft. [12.2 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1962
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 [1]
Main spans design:	Culvert [19]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	300 [as of 1979]
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]
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:	44.6 tons [40.5 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Sufficiency rating:	74.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	300 [as of 1979]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Sufficiency rating:	74.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	300 [as of 1979]
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:	Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Sufficiency rating:	61.5

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