Highbridge Road over Intracoastal Waterway


+29.40864, -81.10089
29°24'31" N, 81°06'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Highbridge Road over Intracoastal Waterway
Structure number:794025
Location:0.3 Mile West of SR-A1A
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:133.2 ft. [40.6 m]
Total length:311.0 ft. [94.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:County Highway Agency [02]
Year built:1955
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Posted for other load-capacity restriction [R]
Average daily traffic:1,106 [as of 2018]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:60.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairFairFairFair110660.1
April 2016FairFairFairFair110660.1
April 2014FairFairFairFair110660.1
April 2012FairFairFairFair110660.1
April 2010FairFairFairFair110660.1
April 2008FairFairFairFair110660.1
April 2006FairFairFairFair110660.1
April 2004FairFairSatisfactoryFair110660.1
April 2003FairFairSatisfactorySatisfactory110671.3
April 2002FairFairSatisfactorySatisfactory110671.3
April 2000FairFairSatisfactorySatisfactory109271.3
April 1998FairSatisfactorySatisfactorySatisfactory105472.4
February 1996FairSatisfactorySatisfactorySatisfactory130370.9
February 1994FairGoodSatisfactorySatisfactory200057.0
March 1992FairGoodSatisfactorySatisfactory170057.4
January 1991FairSatisfactorySatisfactoryFair102835.7