LA0001 over PORT ALLEN CANAL
Map
Coordinates:
+30.43200, -91.2111330°25'55" N, 91°12'40" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.
Facts
| Name: | LA0001 over PORT ALLEN CANAL |
| Structure number: | 616100500708322 |
| Location: | LA0001 |
| Purpose: | Carries highway over highway, waterway, and railroad |
| Route classification: | Other Principal Arterial (Urban) [14] |
| Length of largest span: | 200.1 ft. [61.0 m] |
| Total length: | 2469.3 ft. [752.6 m] |
| Roadway width between curbs: | 27.9 ft. [8.5 m] |
| Deck width edge-to-edge: | 34.1 ft. [10.4 m] |
| Vertical clearance below bridge: | 74.8 ft. [22.8 m] |
| Owner: | State Highway Agency [01] |
| Year built: | 1960 |
| 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: | Steel [3] |
| Main spans design: | Girder and floorbeam system [03] |
| Deck type: | Concrete Cast-in-Place [1] |
| Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
2010 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 26,100 [as of 2009] |
| Truck traffic: | 7% of total traffic |
| Deck condition: | Poor [4 out of 9] |
| Superstructure condition: | Fair [5 out of 9] |
| Substructure condition: | Fair [5 out of 9] |
| 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] |
| Operating rating: | 60.4 tons [54.9 metric tons] |
| Inventory rating: | 34.7 tons [31.5 metric tons] |
| Evaluation: | Structurally deficient [1] |
| Sufficiency rating: | 61.7 |
| Recommended work: | Other structural work, including hydraulic replacements. [38] |
| Estimated cost of work: | $9,628,000 |
2000 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 23,476 [as of 1998] |
| Truck traffic: | 7% of total traffic |
| Deck condition: | Satisfactory [6 out of 9] |
| Superstructure condition: | Good [7 out of 9] |
| Substructure condition: | Satisfactory [6 out of 9] |
| 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] |
| Operating rating: | 33.7 tons [30.6 metric tons] |
| Inventory rating: | 23.8 tons [21.6 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 63.0 |
| Recommended work: | Other structural work, including hydraulic replacements. [38] |
| Estimated cost of work: | $9,628,000 |
1992 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 14,142 [as of 1991] |
| Truck traffic: | 7% of total traffic |
| Deck condition: | Satisfactory [6 out of 9] |
| Superstructure condition: | Very Good [8 out of 9] |
| Substructure condition: | Satisfactory [6 out of 9] |
| 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] |
| Operating rating: | 33.7 tons [30.6 metric tons] |
| Inventory rating: | 23.8 tons [21.6 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 64.8 |
| Recommended work: | Other structural work, including hydraulic replacements. [38] |
| Estimated cost of work: | $9,628,000 |