IS 55 S over CST BROADWAY ST

Map

Coordinates:
+38.59165, -90.21446
38°35'30" N, 90°12'52" W

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

Name:	IS 55 S over CST BROADWAY ST
Structure number:	884
Location:	S 34 T 45 N R 7 E
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	49.9 ft. `[15.2 m]`
Total length:	185.0 ft. `[56.4 m]`
Roadway width between curbs:	64.0 ft. `[19.5 m]`
Deck width edge-to-edge:	66.6 ft. `[20.3 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	16°
Owner:	State Highway Agency `[01]`
Year built:	1965
Year reconstructed:	1985
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
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:	46,528 `[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:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Underclearances appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	93.8

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Fair	Satisfactory	Satisfactory	Satisfactory	46528	93.8
August 2015	Fair	Satisfactory	Satisfactory	Satisfactory	45305	93.8
August 2013	Fair	Good	Good	Satisfactory	50061	93.6
August 2011	Fair	Good	Good	Satisfactory	44631	92.8
September 2009	Fair	Good	Good	Satisfactory	45537	92.8
August 2007	Fair	Good	Good	Satisfactory	49074	92.6
August 2005	Fair	Good	Good	Satisfactory	44106	92.9
July 2003	Fair	Good	Good	Satisfactory	43712	92.9
June 2001	Fair	Good	Good	Satisfactory	42899	94.0

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	9	0	9	0	0
Reinforced Concrete Abutment	linear ft.	174	108	37	29	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	393	0	380	13	0
Deck
Reinforced Concrete Slab	sq. ft.	12,156	0	11,641	515	0
Wearing Surfaces	sq. ft.	11,855	0	11,855	0	0