Share:

FM 521 over JOHNSON'S TIMBER SLOUGH

Map

Coordinates:
+28.78437, -96.12898
28°47'04" N, 96°07'44" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM 521 over JOHNSON'S TIMBER SLOUGH
Structure number:131580084603010
Location:0.25 MI W OF FM 1095
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:9.8 ft. [3.0 m]
Total length:23.0 ft. [7.0 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,150 [as of 2013]
Truck traffic:12% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:95.3

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
November 2016Good7 out of 10115095.3
November 2014Good7 out of 10135095.0
December 2012Good7 out of 10135095.0
January 2011Good7 out of 10125085.1
January 2009Good7 out of 10135095.0
February 2005Good7 out of 10135095.0
February 2001Good7 out of 10155084.3
April 1997Good7 out of 10130084.7
May 1995Good7 out of 10140087.9
April 1993Good7 out of 10145092.5
June 1991Good7 out of 10170092.2