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LOCAL ROAD over WHITE BAYOU

Map 

Coordinates:
+30.63735, -91.12794
30°38'14" N, 91°07'41" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:LOCAL ROAD over WHITE BAYOU
Structure number:611730383910721
Location:ZACHARY, LOWER ZACHARY RD
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:96.1 ft. [29.3 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.3 ft. [7.7 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:5
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:1,450 [as of 1975]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:41.6 tons [37.8 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Sufficiency rating:75.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:1,450 [as of 1975]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
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]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:39.6 tons [36.0 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Sufficiency rating:78.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

1992 Inspection 

Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:1,450 [as of 1975]
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
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]
Operating rating:39.6 tons [36.0 metric tons]
Inventory rating:27.7 tons [25.2 metric tons]
Sufficiency rating:76.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]