IS 55 S over CST KOELN AVE

Map

Coordinates:
+38.55347, -90.26587
38°33'12" N, 90°15'57" W

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

Name:	IS 55 S over CST KOELN AVE
Structure number:	866
Old structure number:	A1075R 4 `(from 1992 edition)`
Location:	S 18 T 44 N R 7 E
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	66.9 ft. `[20.4 m]`
Total length:	170.9 ft. `[52.1 m]`
Roadway width between curbs:	143.1 ft. `[43.6 m]`
Deck width edge-to-edge:	145.7 ft. `[44.4 m]`
Vertical clearance below bridge:	17.7 ft. `[5.4 m]`
Skew angle:	47°
Owner:	State Highway Agency `[01]`
Year built:	1963
Year reconstructed:	1986
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:	Concrete continuous `[2]`
Main spans design:	Slab `[01]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	100,975 `[as of 2015]`
Truck traffic:	12% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	68.3 tons `[62.1 metric tons]`
Inventory rating:	40.6 tons `[36.9 metric tons]`
Sufficiency rating:	72.9

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
August 2015	72.9	Fair	Fair	Fair	Satisfactory	-	100975
September 2013	72.5	Fair	Fair	Fair	Satisfactory	-	108182
September 2011	75.6	Fair	Fair	Fair	Satisfactory	-	43315
September 2009	88.2	Fair	Satisfactory	Satisfactory	Satisfactory	-	44195
August 2007	86.9	Fair	Satisfactory	Satisfactory	Satisfactory	-	70086
August 2005	88.0	Fair	Good	Satisfactory	Satisfactory	-	47893
July 2003	88.0	Fair	Good	Good	Satisfactory	-	47466
June 2001	87.8	Fair	Good	Good	Satisfactory	-	93424
July 2000	80.3	Fair	Good	Good	Satisfactory	-	96339
July 1999	79.7	Fair	Good	Good	Satisfactory	-	102072
June 1998	79.7	Fair	Good	Good	Satisfactory	-	102072
August 1997	79.7	Fair	Good	Good	Satisfactory	-	102072
August 1996	79.3	Fair	Good	Good	Satisfactory	-	96000
December 1995	82.3	Fair	Good	Good	Satisfactory	-	96000
December 1993	81.7	Good	Good	Good	Very Good	-	90449
December 1992	82.7	Good	Good	Good	Very Good	-	90449
November 1991	83.0	Fair	Good	Satisfactory	Very Good	-	87306