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.

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]`

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

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
August 2015	47.0	Poor	Satisfactory	Poor	Good	SD	36000
July 2013	32.8	Poor	Good	Poor	Satisfactory	SD	36000
July 2011	58.0	Fair	Good	Fair	Satisfactory	FO	48790
May 2009	46.0	Poor	Fair	Poor	Satisfactory	SD	45990
May 2007	58.0	Fair	Satisfactory	Fair	Fair	FO	50730
May 2005	58.0	Fair	Satisfactory	Fair	Fair	FO	49000
April 2003	70.7	Fair	Satisfactory	Satisfactory	Good	FO	35000
March 2001	67.3	Fair	Satisfactory	Satisfactory	Good	FO	51530
January 2000	0.0	-	-	-	-	-	56720
March 1998	67.3	Fair	Satisfactory	Satisfactory	Good	FO	44600
December 1997	69.0	Fair	Satisfactory	Satisfactory	Good	FO	51590
February 1996	69.1	Fair	Satisfactory	Satisfactory	Good	FO	37480
August 1993	69.2	Fair	Satisfactory	Satisfactory	Good	FO	37180
August 1992	74.0	Fair	Satisfactory	Satisfactory	Good	FO	36790
May 1991	74.0	Good	Good	Good	Good	FO	36380