I 20 over LYNCH CREEK
Map
Coordinates:
+32.28626, -90.2188232°17'11" N, 90°13'08" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.
Facts
| Name: | I 20 over LYNCH CREEK |
| Structure number: | 11000200250439A |
| Location: | 2.8 MI E SR 18 |
| Purpose: | Carries highway over waterway |
| Route classification: | Principal Arterial - Interstate (Urban) [11] |
| Length of largest span: | 69.9 ft. [21.3 m] |
| Total length: | 212.9 ft. [64.9 m] |
| Roadway width between curbs: | 50.9 ft. [15.5 m] |
| Deck width edge-to-edge: | 53.8 ft. [16.4 m] |
| Skew angle: | 30° |
| Owner: | State Highway Agency [01] |
| Year built: | 1968 |
| Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
| Design load: | MS 18+Mod / HS 20+Mod [6] |
| 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] |
| Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
2010 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 62,500 [as of 2006] |
| Truck traffic: | 13% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Very Good [8 out of 9] |
| Substructure condition: | Very Good [8 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 assessed or calculated scour condition. [5] |
| Operating rating: | 103.8 tons [94.4 metric tons] |
| Inventory rating: | 66.4 tons [60.4 metric tons] |
| Sufficiency rating: | 85.9 |
2000 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 31,000 [as of 1996] |
| Truck traffic: | 13% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Very Good [8 out of 9] |
| Substructure condition: | Very Good [8 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: | Scour calculation/evaluation has not been made. [6] |
| Operating rating: | 103.8 tons [94.4 metric tons] |
| Inventory rating: | 66.4 tons [60.4 metric tons] |
| Sufficiency rating: | 88.9 |
1992 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 30,500 [as of 1989] |
| Truck traffic: | 13% of total traffic |
| Deck condition: | Very Good [8 out of 9] |
| Superstructure condition: | Very Good [8 out of 9] |
| Substructure condition: | Very Good [8 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: | Scour calculation/evaluation has not been made. [6] |
| Operating rating: | 48.5 tons [44.1 metric tons] |
| Inventory rating: | 35.6 tons [32.4 metric tons] |
| Sufficiency rating: | 89.5 |