CITYST over I-20

Map 

Facts 

Name:	CITYST over I-20
Structure number:	040904510110601
Location:	1.9 MI EAST OF LA 526
Purpose:	Carries highway over highway
Route classification:	Local (Urban) [19]
Length of largest span:	85.0 ft. [25.9 m]
Total length:	272.0 ft. [82.9 m]
Roadway width between curbs:	84.0 ft. [25.6 m]
Deck width edge-to-edge:	86.6 ft. [26.4 m]
Vertical clearance below bridge:	16.1 ft. [4.9 m]
Owner:	State Highway Agency [01]
Year built:	1977
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:	Prestressed concrete [5]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	36,400 [as of 2009]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	94.1 tons [85.5 metric tons]
Inventory rating:	49.5 tons [45.0 metric tons]
Sufficiency rating:	98.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	29,358 [as of 1997]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	31.7 tons [28.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	77.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$2,040,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	23,028 [as of 1991]
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	31.7 tons [28.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	77.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$2,040,000

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