US 31 over 21 ST AVE SO

Map

Coordinates:
+33.49250, -86.78667
33°29'33" N, 86°47'12" W

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

Name:	US 31 over 21 ST AVE SO
Structure number:	008236
Old structure number:	00000003370097B `(from 1992 edition)`
Location:	US 31 * 21 ST AVE SO
Purpose:	Carries highway over highway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	74.2 ft. `[22.6 m]`
Total length:	194.9 ft. `[59.4 m]`
Roadway width between curbs:	40.0 ft. `[12.2 m]`
Deck width edge-to-edge:	43.0 ft. `[13.1 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	25°
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:	3
Main spans material:	Concrete continuous `[2]`
Main spans design:	Tee beam `[04]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	42,050 `[as of 2017]`
Truck traffic:	3% 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:	Meets minimum tolerable limits to be left in place as is `[4]`
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:	67.0
Estimated cost of work:	$2,264,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
February 2017	Fair	Satisfactory	Satisfactory	Satisfactory	42050	67.0
February 2015	Fair	Satisfactory	Good	Good	42050	67.0
February 2013	Fair	Satisfactory	Good	Good	42135	67.0
February 2011	Fair	Satisfactory	Good	Good	39495	69.3
February 2009	Good	Good	Good	Good	42650	68.9
February 2007	Good	Good	Good	Very Good	43100	73.8
February 2005	Good	Good	Good	Very Good	41120	74.0
February 2003	Good	Good	Good	Very Good	40915	74.1
April 2001	Good	Good	Good	Very Good	40915	74.1
April 1999	Good	Good	Good	Very Good	42545	73.9
December 1996	Good	Good	Good	Very Good	39815	74.2
January 1995	Good	Good	Good	Very Good	39245	75.2
December 1992	Good	Good	Good	Very Good	37690	74.4
November 1990	Good	Good	Very Good	Very Good	39660	74.2

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Reinforced Concrete Girder/Beam	linear ft.	1,169	1,022	145	2	0
Deck
Reinforced Concrete Top Flange	sq. ft.	8,381	6,479	1,887	13	2
Wearing Surfaces	sq. ft.	7,796	0	7,796	0	0
Substructure
Reinforced Concrete Column	each	6	5	1	0	0
Reinforced Concrete Abutment	linear ft.	120	116	4	0	0
Reinforced Concrete Pier Cap	linear ft.	80	75	5	0	0
Joints
Compression Joint	linear ft.	86	0	0	86	0
Bearings
Movable Bearing	each	18	0	6	12	0
Fixed Bearing	each	6	0	6	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	390	364	22	4	0