+29.90600, -90.01806
29°54'22" N, 90°01'05" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0428 over DONNER CANAL
Structure number:023604100103161
Location:3.18 MI EAST OF JEFF. PAR
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:49.9 ft. [15.2 m]
Total length:149.9 ft. [45.7 m]
Roadway width between curbs:64.0 ft. [19.5 m]
Deck width edge-to-edge:76.8 ft. [23.4 m]
Skew angle:45°
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:3
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:24,700 [as of 2015]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Inventory rating:50.5 tons [45.9 metric tons]
Sufficiency rating:84.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201584.0Not deficientSatisfactorySatisfactoryFair24700
August 201483.9Not deficientSatisfactorySatisfactoryFair25200
September 201383.5Not deficientSatisfactorySatisfactoryFair27600
October 201283.5Not deficientSatisfactoryGoodFair27700
November 201179.9Not deficientSatisfactoryGoodFair49562
December 201079.9Not deficientSatisfactoryGoodFair49562
January 201079.9Not deficientSatisfactorySatisfactoryFair49562
January 200979.9Not deficientSatisfactorySatisfactoryFair49562
December 200779.9Not deficientSatisfactorySatisfactoryFair49562
December 200679.9Not deficientSatisfactorySatisfactoryFair49562
August 200579.9Not deficientSatisfactorySatisfactoryFair49562
July 200476.9Not deficientSatisfactorySatisfactoryFair49562
May 200375.8Not deficientFairSatisfactoryFair49562
August 200075.8Not deficientFairSatisfactoryFair49562
September 199876.9Not deficientFairGoodFair49562
May 199693.0Not deficientGoodGoodSatisfactory49562
May 199492.6Not deficientGoodGoodSatisfactory49562
May 199292.6Not deficientGoodGoodSatisfactory49562