US0090B over HARVEY TUNNEL

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

Map

Coordinates:
+29.89791, -90.08106
29°53'52" N, 90°04'52" W

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

Name:	US0090B over HARVEY TUNNEL
Structure number:	022602830903421
Location:	2.0 MI EAST OF LA 23
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	1080.1 ft. `[329.2 m]`
Total length:	1080.1 ft. `[329.2 m]`
Roadway width between curbs:	44.0 ft. `[13.4 m]`
Deck width edge-to-edge:	51.2 ft. `[15.6 m]`
Vertical clearance above deck:	13.5 ft. `[4.1 m]`
Owner:	State Highway Agency `[01]`
Year built:	1957
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]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	29,700 `[as of 2009]`
Truck traffic:	13% of total traffic
Deck condition:	Fair `[5 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Unknown `[*]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
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]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	72.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$4,636,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
December 2009	Fair	Fair	-	Satisfactory	29700	72.4
December 1996	Fair	Fair	-	Satisfactory	79670	63.0
October 1990	Fair	Fair	-	Satisfactory	36222	68.7