COUNTY RD 657 over BR OF S FK SALT RV
Map
Coordinates:
+39.36650, -91.7966439°21'59" N, 91°47'48" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | COUNTY RD 657 over BR OF S FK SALT RV |
Structure number: | 12896 |
Old structure number: | 02300061 069 (from 1992 edition) |
Location: | S 21 T 53 N R 8 W |
Purpose: | Carries highway over waterway |
Route classification: | Local (Rural) [09] |
Length of largest span: | 83.0 ft. [25.3 m] |
Total length: | 85.0 ft. [25.9 m] |
Roadway width between curbs: | 23.6 ft. [7.2 m] |
Deck width edge-to-edge: | 24.0 ft. [7.3 m] |
Skew angle: | 10° |
Owner: | County Highway Agency [02] |
Year built: | 1999 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Main span material: | Prestressed concrete [5] |
Main span design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Precast Panels [2] |
Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
Latest Available Inspection: May 2018
Good/Fair/Poor Condition: | Good |
Status: | Open, no restriction [A] |
Average daily traffic: | 30 [as of 2016] |
Truck traffic: | 10% of total traffic |
Deck condition: | Very Good [8 out of 9] |
Superstructure condition: | Good [7 out of 9] |
Substructure condition: | Excellent [9 out of 9] |
Structural appraisal: | Better than present minimum criteria [7] |
Deck geometry appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Water adequacy appraisal: | Equal to present minimum criteria [6] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
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: | 99.0 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
May 2018 | Good | Very Good | Good | Excellent | 30 | 99.0 |
May 2016 | Good | Very Good | Very Good | Excellent | 30 | 99.0 |
May 2014 | Good | Very Good | Very Good | Excellent | 30 | 99.0 |
May 2012 | Good | Very Good | Very Good | Excellent | 30 | 99.0 |
July 2010 | Good | Very Good | Very Good | Excellent | 30 | 99.0 |
July 2008 | Good | Very Good | Very Good | Excellent | 30 | 99.0 |
June 2006 | Good | Excellent | Excellent | Excellent | 30 | 99.0 |
June 2004 | Good | Excellent | Excellent | Excellent | 30 | 99.0 |
June 2002 | Good | Excellent | Excellent | Excellent | 30 | 99.0 |
June 2000 | Good | Excellent | Excellent | Excellent | 40 | 99.0 |
June 1999 | Good | Excellent | Excellent | Excellent | 40 | 99.0 |