IS 64 W over CST 4TH ST, CST BROADWAY

Map

Coordinates:
+38.61905, -90.18682
38°37'09" N, 90°11'13" W

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

Name:	IS 64 W over CST 4TH ST, CST BROADWAY
Structure number:	1246
Location:	S 23 T 45 N R 7 E
Purpose:	Carries highway over highway and railroad
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	254.6 ft. `[77.6 m]`
Total length:	7847.5 ft. `[2391.8 m]`
Roadway width between curbs:	28.9 ft. `[8.8 m]`
Deck width edge-to-edge:	33.8 ft. `[10.3 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	7°
Owner:	State Highway Agency `[01]`
Year built:	1964
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:	6
Main spans material:	Steel continuous `[4]`
Main spans design:	Girder and floorbeam system `[03]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	52,665 `[as of 2016]`
Truck traffic:	18% of total traffic
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Satisfactory `[6 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 replacement `[2]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	37.6 tons `[34.2 metric tons]`
Inventory rating:	22.8 tons `[20.7 metric tons]`
Sufficiency rating:	21.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$131,628,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
June 2016	21.0	Poor	Poor	Poor	Satisfactory	SD	52665
July 2014	26.0	Poor	Fair	Poor	Satisfactory	SD	43047
July 2012	42.0	Fair	Fair	Fair	Satisfactory	-	40813
August 2011	17.3	Poor	Poor	Fair	Satisfactory	SD	40813
August 2010	17.8	Poor	Poor	Fair	Satisfactory	SD	41225
August 2009	5.0	Poor	Poor	Poor	Satisfactory	SD	41641
July 2008	5.0	Poor	Poor	Serious	Satisfactory	SD	41216
July 2007	5.0	Poor	Poor	Serious	Satisfactory	SD	41062
August 2006	29.8	Fair	Fair	Satisfactory	Satisfactory	SD	41062
July 2005	27.8	Poor	Poor	Satisfactory	Satisfactory	SD	41021
November 2004	27.8	Poor	Poor	Satisfactory	Satisfactory	SD	50610
August 2003	29.8	Fair	Fair	Satisfactory	Satisfactory	SD	50559
October 2001	26.8	Fair	Fair	Satisfactory	Satisfactory	SD	39898