IS 55 S over MISSISSIPPI RVR, CST WHA

Map

Coordinates:
+38.61843, -90.18437
38°37'06" N, 90°11'04" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	IS 55 S over MISSISSIPPI RVR, CST WHA
Structure number:	1244
Location:	S 23 T 45 N R 7 E
Purpose:	Carries highway over highway and waterway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	600.1 ft. `[182.9 m]`
Total length:	2165.1 ft. `[659.9 m]`
Roadway width between curbs:	117.5 ft. `[35.8 m]`
Deck width edge-to-edge:	122.1 ft. `[37.2 m]`
Vertical clearance below bridge:	52.5 ft. `[16.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1963
Year reconstructed:	2016
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:	5
Main spans material:	Steel continuous `[4]`
Main spans design:	Box Beam or girders - Single or Spread `[06]`
Deck type:	Steel plate (includes orthotropic) `[5]`
Wearing surface:	Epoxy Overlay `[5]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	57,597 `[as of 2017]`
Truck traffic:	18% of total traffic
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
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 desirable criteria `[8]`
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]`
Pier/abutment protection:	In place and functioning `[2]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	59.5

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
February 2017	Poor	Poor	Poor	Fair	57597	59.5
February 2016	Poor	Poor	Poor	Fair	55146	56.7
March 2013	Poor	Fair	Poor	Fair	101755	55.1
August 2011	Fair	Satisfactory	Satisfactory	Satisfactory	98587	83.8
August 2009	Fair	Satisfactory	Satisfactory	Satisfactory	100589	83.7
February 2007	Fair	Satisfactory	Satisfactory	Satisfactory	99193	83.8
September 2003	Fair	Fair	Satisfactory	Satisfactory	98170	82.8
July 2002	Fair	Good	Satisfactory	Satisfactory	96151	84.0
September 2001	Fair	Good	Satisfactory	Satisfactory	99236	85.9

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Closed Web/Box Girder	linear ft.	8,678	8,557	85	24	12
Steel Protective Coating	sq. ft.	768,738	0	384,369	384,369	0
Steel Girder/Beam	linear ft.	6,499	6,499	0	0	0
Steel Protective Coating	sq. ft.	80,584	80,584	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	38,023	38,023	0	0	0
Superstructure
Steel Floor Beam	linear ft.	17,346	17,225	121	0	0
Steel Protective Coating	sq. ft.	172,073	147,079	14,813	7,865	2,316
Substructure
Reinforced Concrete Column	each	16	16	0	0	0
Reinforced Concrete Pier Wall	linear ft.	456	442	14	0	0
Reinforced Concrete Abutment	linear ft.	350	339	11	0	0
Concrete Protective Coating	sq. ft.	1,636	1,636	0	0	0
Reinforced Concrete Pier Cap	linear ft.	444	431	13	0	0
Deck
Corrugated or Orthotropic Deck	sq. ft.	244,645	225,258	13,954	5,433	0
Wearing Surfaces	sq. ft.	226,333	226,333	0	0	0
Joints
Assembly with Seal	each	119	119	0	0	0
Assembly without Seal Joint	linear ft.	119	119	0	0	0
Bearings
Movable Bearing	each	20	20	0	0	0
Steel Protective Coating	sq. ft.	20	0	20	0	0
Fixed Bearing	each	4	4	0	0	0
Steel Protective Coating	sq. ft.	4	0	4	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	6,510	4,344	0	2,166	0