I 20 over LYNCH CREEK
Map
Coordinates:
+32.28626, -90.2188232°17'11" N, 90°13'08" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
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] |
Latest Available Inspection: August 2016
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 38,000 [as of 2014] |
Truck traffic: | 13% of total traffic |
Deck condition: | Fair [5 out of 9] |
Superstructure condition: | Very Good [8 out of 9] |
Substructure condition: | Very Good [8 out of 9] |
Structural appraisal: | Equal to present desirable criteria [8] |
Deck geometry appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Water adequacy appraisal: | Equal to present desirable criteria [8] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
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: | 86.1 |
Previous Inspections
Date | Suff. Rating | Condition | Deck | Superstructure | Substructure | SD/FO | ADT |
---|
August 2016 | 86.1 | Fair | Fair | Very Good | Very Good | - | 38000 |
August 2014 | 88.1 | Fair | Fair | Very Good | Very Good | - | 37000 |
August 2012 | 86.7 | Fair | Fair | Very Good | Very Good | - | 64500 |
July 2010 | 86.7 | Fair | Fair | Very Good | Very Good | - | 64500 |
June 2008 | 85.9 | Good | Good | Very Good | Very Good | - | 62500 |
June 2006 | 89.8 | Good | Good | Very Good | Very Good | - | 43500 |
October 2004 | 89.6 | Good | Good | Very Good | Very Good | - | 48500 |
August 2002 | 90.0 | Good | Good | Very Good | Very Good | - | 40000 |
September 2000 | 88.9 | Good | Good | Very Good | Very Good | - | 31000 |
September 1998 | 88.9 | Good | Good | Very Good | Very Good | - | 31000 |
November 1996 | 88.9 | Good | Very Good | Very Good | Very Good | - | 31000 |
January 1995 | 89.1 | Good | Very Good | Very Good | Very Good | - | 35500 |
April 1991 | 89.5 | Good | Very Good | Very Good | Very Good | - | 30500 |