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US 90/COCHRANE BR over MOBILE RIVER

Map 

Coordinates:
+30.69099, -88.03746
30°41'28" N, 88°02'15" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:US 90/COCHRANE BR over MOBILE RIVER
Structure number:015430
Location:0.2 MI E US 43
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:779.9 ft. [237.7 m]
Total length:7291.4 ft. [2222.3 m]
Roadway width between curbs:79.7 ft. [24.3 m]
Deck width edge-to-edge:91.9 ft. [28.0 m]
Vertical clearance below bridge:40.0 ft. [12.2 m]
Owner:State Highway Agency [01]
Year built:1991
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:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stayed girder [14]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,720 [as of 2013]
Truck traffic:25% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances 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 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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:47.9 tons [43.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:78.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$154,201,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201578.0FairSatisfactorySatisfactorySatisfactory-11720
January 201378.0FairSatisfactorySatisfactorySatisfactory-11750
January 201178.0FairSatisfactorySatisfactorySatisfactory-10800
March 200978.0FairSatisfactorySatisfactorySatisfactory-10890
February 200778.0FairSatisfactorySatisfactorySatisfactory-10630
January 200578.0FairSatisfactorySatisfactorySatisfactory-9850
December 200278.0FairSatisfactoryGoodSatisfactory-11110
September 200078.0FairSatisfactoryGoodSatisfactory-9600
September 199878.0FairSatisfactorySatisfactorySatisfactory-6870
September 199678.0FairSatisfactorySatisfactorySatisfactory-8390
October 199478.1FairSatisfactoryGoodGood-7300
July 199278.1GoodGoodGoodGood-7060