I-65 NB over MOBILE RIVER DELTA

Map

Coordinates:
+30.90876, -87.97581
30°54'32" N, 87°58'33" W

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

Name:	I-65 NB over MOBILE RIVER DELTA
Structure number:	012322
Old structure number:	00000I65490243B `(from 1992 edition)`
Location:	5.5 MI N E US 43
Purpose:	Carries highway over highway and waterway
Route classification:	Principal Arterial - Interstate (Rural) `[01]`
Length of largest span:	799.9 ft. `[243.8 m]`
Total length:	32107.2 ft. `[9785.8 m]`
Roadway width between curbs:	39.0 ft. `[11.9 m]`
Deck width edge-to-edge:	41.7 ft. `[12.7 m]`
Vertical clearance above deck:	18.7 ft. `[5.7 m]`
Vertical clearance below bridge:	23.0 ft. `[7.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1980
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Steel `[3]`
Main span design:	Arch - Thru `[12]`
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:	11,300 `[as of 2016]`
Truck traffic:	28% 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:	Equal to present minimum criteria `[6]`
Underclearances appraisal:	Superior to present desirable criteria `[9]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Pier/abutment protection:	In place and functioning `[2]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	79.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$302,627,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2018	Fair	Fair	Fair	Fair	11300	79.8
May 2016	Fair	Fair	Fair	Fair	13670	79.5
May 2014	Fair	Fair	Fair	Fair	13520	79.5
May 2012	Fair	Fair	Fair	Fair	9970	79.9
May 2010	Fair	Satisfactory	Fair	Fair	9765	81.0
May 2008	Fair	Satisfactory	Fair	Fair	9780	81.0
May 2006	Fair	Satisfactory	Fair	Fair	9990	80.9
May 2004	Fair	Satisfactory	Fair	Fair	9655	78.9
May 2002	Fair	Satisfactory	Satisfactory	Satisfactory	8990	92.2
May 2000	Fair	Good	Satisfactory	Satisfactory	9660	92.1
May 1998	Fair	Good	Satisfactory	Satisfactory	7790	92.3
August 1996	Fair	Good	Fair	Fair	7230	81.2
February 1993	Fair	Good	Satisfactory	Good	6110	92.5
September 1991	Good	Good	Good	Good	4970	92.6
October 1990	Good	Good	Good	Good	5245	92.6

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	31,977	30,694	211	1,044	28
Steel Protective Coating	sq. ft.	18,263	18,263	0	0	0
Prestressed Concrete Girder/Beam	linear ft.	76,705	76,356	85	264	0
Steel Stringer	linear ft.	52,702	52,700	0	2	0
Steel Protective Coating	sq. ft.	3,222	3,222	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	699,109	268,243	405,430	25,436	0
Superstructure
Steel Arch	linear ft.	1,600	1,280	320	0	0
Steel Main Cable	linear ft.	9,998	9,980	18	0	0
Steel Floor Beam	linear ft.	23,882	23,751	113	18	0
Steel Protective Coating	sq. ft.	29,844	29,844	0	0	0
Deck
Reinforced Concrete Top Flange	sq. ft.	639,703	259,063	378,405	2,235	0
Superstructure
Steel Gusset Plate	each	68	0	68	0	0
Substructure
Reinforced Concrete Column	each	466	462	2	2	0
Reinforced Concrete Pier Wall	linear ft.	300	237	28	35	0
Reinforced Concrete Abutment	linear ft.	164	146	18	0	0
Prestressed Concrete Pile	each	216	192	17	7	0
Reinforced Concrete Pier Cap	linear ft.	13,570	13,416	127	27	0
Joints
Strip Seal Joint	linear ft.	167	0	56	86	25
Compression Joint	linear ft.	42	0	24	18	0
Assembly with Seal	each	1,501	1,202	4	7	288
Open Joint	linear ft.	2,335	2,334	0	1	0
Bearings
Elastomeric Bearing	each	2,360	2,313	41	6	0
Movable Bearing	each	154	138	3	13	0
Fixed Bearing	each	128	0	128	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	64,212	58,239	5,949	24	0