Share:

LOCAL ROAD over DRAINAGE BAYOU

Map 

Coordinates:
+30.38667, -91.16500
30°23'12" N, 91°09'54" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:LOCAL ROAD over DRAINAGE BAYOU
Structure number:611730232910991
Location:3.7 MI SW. JCT. I-10
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:76.1 ft. [23.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Owner:County Highway Agency [02]
Year built:1965
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:4
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

2010 Inspection 

Status:Posted for load [P]
Average daily traffic:400 [as of 1975]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 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:39.6 tons [36.0 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:47.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$274,000

2000 Inspection 

Status:Posted for load [P]
Average daily traffic:400 [as of 1975]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 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:9.9 tons [9.0 metric tons]
Inventory rating:3.0 tons [2.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:25.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$274,000

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:400 [as of 1975]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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:40.6 tons [36.9 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Sufficiency rating:77.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]