IS 55 S over CST KOELN AVE

Map

Coordinates:
+38.55355, -90.26597
38°33'13" 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:	16.4 ft. `[5.0 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:	103,702 `[as of 2016]`
Truck traffic:	12% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Fair `[5 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]`
Sufficiency rating:	72.7

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Fair	Fair	Fair	Fair	103702	72.7
August 2015	Fair	Fair	Fair	Satisfactory	100975	72.9
September 2013	Fair	Fair	Fair	Satisfactory	108182	72.5
September 2011	Fair	Fair	Fair	Satisfactory	43315	75.6
September 2009	Fair	Satisfactory	Satisfactory	Satisfactory	44195	88.2
August 2007	Fair	Satisfactory	Satisfactory	Satisfactory	70086	86.9
August 2005	Fair	Good	Satisfactory	Satisfactory	47893	88.0
July 2003	Fair	Good	Good	Satisfactory	47466	88.0
June 2001	Fair	Good	Good	Satisfactory	93424	87.8
July 2000	Fair	Good	Good	Satisfactory	96339	80.3
July 1999	Fair	Good	Good	Satisfactory	102072	79.7
June 1998	Fair	Good	Good	Satisfactory	102072	79.7
August 1997	Fair	Good	Good	Satisfactory	102072	79.7
August 1996	Fair	Good	Good	Satisfactory	96000	79.3
December 1995	Fair	Good	Good	Satisfactory	96000	82.3
December 1993	Good	Good	Good	Very Good	90449	81.7
December 1992	Good	Good	Good	Very Good	90449	82.7
November 1991	Fair	Good	Satisfactory	Very Good	87306	83.0

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Substructure
Reinforced Concrete Column	each	21	6	15	0	0
Reinforced Concrete Abutment	linear ft.	530	462	15	53	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	513	0	424	89	0
Deck
Reinforced Concrete Slab	sq. ft.	24,881	15,357	7,035	2,489	0
Wearing Surfaces	sq. ft.	24,436	0	21,436	3,000	0