I0055 over I-10 & US 51 & SWAMP

Map

Coordinates:
+30.28118, -90.40110
30°16'52" N, 90°24'04" W

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

Name:	I0055 over I-10 & US 51 & SWAMP
Structure number:	624804520100002
Location:	I0055
Purpose:	Carries highway over highway and waterway
Route classification:	Principal Arterial - Interstate (Rural) `[01]`
Length of largest span:	69.9 ft. `[21.3 m]`
Total length:	76717.7 ft. `[23382.4 m]`
Roadway width between curbs:	39.0 ft. `[11.9 m]`
Deck width edge-to-edge:	42.7 ft. `[13.0 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1975
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:	223
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	24,000 `[as of 2016]`
Truck traffic:	22% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	94.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2017	Good	Good	Good	Good	24000	94.0
June 2015	Good	Good	Good	Good	14040	94.0
June 2013	Good	Good	Good	Good	13680	95.0
July 2011	Good	Good	Good	Good	10920	95.0
August 2009	Good	Good	Good	Good	12120	95.0
February 2008	Good	Good	Good	Good	12120	95.0
August 2005	Good	Good	Very Good	Good	11580	97.0
August 2003	Fair	Satisfactory	Good	Satisfactory	10800	97.0
August 2001	Fair	Satisfactory	Good	Satisfactory	10311	95.0
July 1999	Fair	Satisfactory	Good	Satisfactory	10311	95.0
July 1997	Fair	Satisfactory	Good	Satisfactory	8777	96.0
June 1995	Fair	Satisfactory	Very Good	Very Good	8782	96.0
July 1993	Fair	Satisfactory	Very Good	Very Good	8240	90.7
July 1991	Fair	Satisfactory	Very Good	Very Good	7105	90.7

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.	2,515	2,295	220	0	0
Steel Protective Coating	sq. ft.	100,600	99,100	1,500	0	0
Prestressed Concrete Girder/Beam	linear ft.	394,852	394,752	90	10	0
Deck
Reinforced Concrete Deck	sq. ft.	3,133,212	2,923,171	210,041	0	0
Substructure
Prestressed Concrete Pile	each	652	652	0	0	0
Reinforced Concrete Pile	each	1,963	1,962	0	1	0
Reinforced Concrete Pier Cap	linear ft.	44,810	44,810	0	0	0
Joints
Compression Joint	linear ft.	2,499	2,499	0	0	0
Open Joint	linear ft.	760	760	0	0	0
Assembly without Seal Joint	linear ft.	240	240	0	0	0
Other Joint	linear ft.	10,473	10,473	0	0	0
Bearings
Elastomeric Bearing	each	11,316	11,314	2	0	0
Movable Bearing	each	50	25	25	0	0
Steel Protective Coating	sq. ft.	150	100	50	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	154,346	154,319	27	0	0