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US 31 over DRAINAGE CANAL

Map 

Coordinates:
+32.40397, -86.40405
32°24'14" N, 86°24'15" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:US 31 over DRAINAGE CANAL
Structure number:004993
Old structure number:000000035102460 (from 1992 edition)
Location:0.45 MI S OF ALA RIVER
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:9.8 ft. [3.0 m]
Total length:23.0 ft. [7.0 m]
Owner:State Highway Agency [01]
Year built:1926
Year reconstructed:1955
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:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:20,900 [as of 2013]
Truck traffic:8% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
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: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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:26.0 tons [23.6 metric tons]
Sufficiency rating:49.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,148,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201549.5Not deficient---20900
September 201349.5Not deficient---20900
September 201149.2Not deficient---21990
January 201049.2Not deficient---22370
October 200749.2Not deficient---21220
November 200549.2Not deficient---19110
September 200349.2Not deficient---20400
November 200149.2Not deficient---20400
November 199949.2Not deficient---22120
January 199849.2Not deficient---21770
December 199555.8Not deficient---19380
January 199455.8Not deficient---17890
December 199158.8Not deficient---18090