SR73 over Dunham Branch


+30.24939, -85.22778
30°14'58" N, 85°13'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR73 over Dunham Branch
Structure number:470025
Location:1.6mi. N of SR71
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:7.9 ft. [2.4 m]
Total length:39.0 ft. [11.9 m]
Owner:State Highway Agency [01]
Year built:1949
Year reconstructed:2008
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:4
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:900 [as of 2016]
Truck traffic:23% of total traffic
Structural appraisal:Better than present minimum criteria [7]
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]
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:96.1

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2017Good7 out of 1090096.1
May 2015Good7 out of 1070096.3
June 2013Good7 out of 1095096.1
June 2011Good7 out of 1075096.3
July 2009Good7 out of 1080096.2
August 2007Good7 out of 1075096.3
October 2005Good7 out of 1070096.3
November 2003Good7 out of 1060096.4
December 2001Good7 out of 1055096.5
January 2000Good7 out of 1075096.3
February 1998Good7 out of 1080096.1
February 1996Good7 out of 1060096.3
March 1994Good7 out of 1045096.4
June 1992Good7 out of 10146893.7
July 1990Good7 out of 1053097.9