LA0023 over I C WATERWAY

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+29.87217, -90.00923
29°52'20" N, 90°00'33" W

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

Name:	LA0023 over I C WATERWAY
Structure number:	023800620200621
Location:	.2 MI SOUTH OF LA 3017
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	799.9 ft. `[243.8 m]`
Total length:	799.9 ft. `[243.8 m]`
Roadway width between curbs:	22.0 ft. `[6.7 m]`
Deck width edge-to-edge:	25.3 ft. `[7.7 m]`
Vertical clearance above deck:	16.7 ft. `[5.1 m]`
Vertical clearance below bridge:	99.7 ft. `[30.4 m]`
Owner:	State Highway Agency `[01]`
Year built:	1956
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Concrete `[1]`
Main span design:	Tunnel `[18]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	32,791 `[as of 2009]`
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Unknown `[*]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
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]`
Pier/abutment protection:	In place and functioning `[2]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	81.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$3,178,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
January 2009	Fair	Satisfactory	-	Satisfactory	32791	81.0
January 1997	Fair	Satisfactory	-	Satisfactory	29896	79.0
March 1990	Fair	Satisfactory	-	Satisfactory	25549	79.0