IS 55 N over CST BROADWAY ST

Map

Coordinates:
+38.57403, -90.23380
38°34'27" N, 90°14'02" W

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

Name:	IS 55 N over CST BROADWAY ST
Structure number:	877
Old structure number:	A1082R 3 `(from 1992 edition)`
Location:	S 4 T 44 N R 7 E
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	51.8 ft. `[15.8 m]`
Total length:	189.0 ft. `[57.6 m]`
Roadway width between curbs:	62.0 ft. `[18.9 m]`
Deck width edge-to-edge:	64.6 ft. `[19.7 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	29°
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:	4
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:	49,548 `[as of 2016]`
Truck traffic:	12% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Underclearances appraisal:	Equal to present minimum criteria `[6]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	93.6

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Fair	Satisfactory	Satisfactory	Good	49548	93.6
August 2015	Fair	Satisfactory	Satisfactory	Good	48245	93.7
August 2013	Fair	Satisfactory	Satisfactory	Good	52669	91.4
August 2011	Fair	Satisfactory	Satisfactory	Good	38077	90.1
September 2009	Fair	Satisfactory	Satisfactory	Good	38851	90.0
August 2007	Fair	Satisfactory	Satisfactory	Good	52447	89.4
August 2005	Fair	Satisfactory	Satisfactory	Good	44811	88.7
July 2003	Fair	Satisfactory	Satisfactory	Good	44411	88.8
June 2001	Fair	Satisfactory	Satisfactory	Good	43585	92.9
July 2000	Fair	Satisfactory	Satisfactory	Good	46529	88.4
July 1999	Fair	Satisfactory	Satisfactory	Good	49045	88.2
July 1998	Fair	Satisfactory	Satisfactory	Good	49045	88.2
July 1997	Fair	Satisfactory	Satisfactory	Good	49045	88.2
August 1996	Fair	Satisfactory	Satisfactory	Good	46128	88.5
December 1995	Fair	Satisfactory	Satisfactory	Good	46128	83.0
February 1994	Fair	Satisfactory	Satisfactory	Very Good	41759	83.4
December 1992	Fair	Satisfactory	Satisfactory	Very Good	41759	83.4
December 1991	Fair	Satisfactory	Satisfactory	Very Good	40308	83.5

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	12	2	9	1	0
Reinforced Concrete Abutment	linear ft.	142	50	68	24	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	384	0	363	21	0
Deck
Reinforced Concrete Slab	sq. ft.	12,206	9,313	2,858	35	0
Wearing Surfaces	sq. ft.	11,703	0	11,693	10	0