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I40 over MISSISSIPPI RIVER

Map

Coordinates:
+35.15167, -90.07000
35°09'06" N, 90°04'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I40 over MISSISSIPPI RIVER
Structure number:79I00400001
Location:4 MI E JCT I-55 & I-40
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:900.3 ft. [274.4 m]
Total length:9431.6 ft. [2874.6 m]
Roadway width between curbs:85.6 ft. [26.1 m]
Deck width edge-to-edge:88.9 ft. [27.1 m]
Vertical clearance above deck:18.7 ft. [5.7 m]
Vertical clearance below bridge:59.7 ft. [18.2 m]
Owner:State Highway Agency [01]
Year built:1973
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:Steel continuous [4]
Main spans design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:36,000 [as of 2013]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:66.0 tons [60.0 metric tons]
Inventory rating:39.6 tons [36.0 metric tons]
Sufficiency rating:47.0
Recommended work:Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:$203,585,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201547.0PoorSatisfactoryPoorGoodSD36000
July 201332.8PoorGoodPoorSatisfactorySD36000
July 201158.0FairGoodFairSatisfactoryFO48790
May 200946.0PoorFairPoorSatisfactorySD45990
May 200758.0FairSatisfactoryFairFairFO50730
May 200558.0FairSatisfactoryFairFairFO49000
April 200370.7FairSatisfactorySatisfactoryGoodFO35000
March 200167.3FairSatisfactorySatisfactoryGoodFO51530
January 20000.0-----56720
March 199867.3FairSatisfactorySatisfactoryGoodFO44600
December 199769.0FairSatisfactorySatisfactoryGoodFO51590
February 199669.1FairSatisfactorySatisfactoryGoodFO37480
August 199369.2FairSatisfactorySatisfactoryGoodFO37180
August 199274.0FairSatisfactorySatisfactoryGoodFO36790
May 199174.0GoodGoodGoodGoodFO36380