+30.43833, -81.72972
30°26'18" N, 81°43'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR-104 (DUNN AVE.) over HALF CREEK
Structure number:720436
Location:0.1 MI. W. OF I-295
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:7.9 ft. [2.4 m]
Total length:25.3 ft. [7.7 m]
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:1976
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:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:15,100 [as of 2016]
Truck traffic:5% 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: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]
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:82.4

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2017Good7 out of 101510082.4
March 2015Good7 out of 101240082.9
March 2013Good7 out of 101290082.8
March 2011Good7 out of 101330082.7
March 2009Good7 out of 101480082.5
March 2007Good7 out of 101200083.0
March 2005Good7 out of 101080083.2
February 2003Good7 out of 101000083.3
February 2001Good7 out of 10940083.4
March 1999Good7 out of 10890083.5
March 1997Good7 out of 10800083.6
February 1995Good7 out of 10810082.5
February 1993Good7 out of 10838582.5
March 1991Good7 out of 10646582.8