+30.32722, -81.62250
30°19'38" N, 81°37'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR-10A (MATHEWS) over ST. JOHNS RV. & ALT-US-1
Structure number:720076
Location:SR-10A / ST. JOHNS RIVER
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:810.1 ft. [246.9 m]
Total length:7376.0 ft. [2248.1 m]
Roadway width between curbs:48.9 ft. [14.9 m]
Deck width edge-to-edge:58.1 ft. [17.7 m]
Vertical clearance above deck:20.7 ft. [6.3 m]
Vertical clearance below bridge:144.4 ft. [44.0 m]
Owner:State Highway Agency [01]
Year built:1953
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:6
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:75,000 [as of 2017]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:44.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$4,093,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairFairFairSatisfactory7500044.1
April 2016FairFairFairSatisfactory6700044.1
May 2014FairFairFairSatisfactory6300041.9
August 2013FairFairFairSatisfactory5650041.9
August 2011FairFairFairSatisfactory6650041.9
August 2009FairFairFairSatisfactory6750043.6
August 2007FairFairFairSatisfactory7200043.6
August 2005FairFairFairSatisfactory7200040.2
October 2003FairFairFairSatisfactory6650042.2
October 2001FairFairFairSatisfactory7950044.0
October 1999FairSatisfactoryFairSatisfactory7550043.0
October 1997FairSatisfactorySatisfactorySatisfactory6700046.9
October 1995FairSatisfactorySatisfactorySatisfactory6700044.9
September 1993FairSatisfactoryFairSatisfactory7140046.9
October 1991FairGoodSatisfactoryGood6134349.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.16,08510,2132,6763,1960
Steel Protective Coatingsq. ft.201,830197,5322,14902,149
Steel Stringerlinear ft.50,66440,2843,3687,0120
Steel Protective Coatingsq. ft.250,2810244,46905,812
Reinforced Concrete Decksq. ft.381,290115,229252,15313,9080
Steel Trusslinear ft.10,4366,157724,2070
Steel Protective Coatingsq. ft.575,5820563,9589611,528
Steel Floor Beamlinear ft.20,18913,5742,9003,7150
Steel Protective Coatingsq. ft.193,2160186,85926,355
Steel Pin or Pin & Hangar Assemblyeach60060
Steel Protective Coatingsq. ft.24012012
Steel Gusset Plateeach336162141600
Steel Protective Coatingsq. ft.23,532023,507025
Reinforced Concrete Columneach884718230
Reinforced Concrete Abutmentlinear ft.1181010170
Reinforced Concrete Pile Cap/Footinglinear ft.84007371030
Steel Pileeach9500950
Steel Protective Coatingsq. ft.2,2082,208000
Reinforced Concrete Pileeach174001740
Reinforced Concrete Pier Caplinear ft.2,8052,493298140
Corrugated or Orthotropic Decksq. ft.47,03847,038000
Wearing Surfacessq. ft.47,03846,9980400
Pourable Jointlinear ft.2,7861,65571538927
Assembly without Seal Jointlinear ft.1,7421,6707200
Movable Bearingeach18322161450
Steel Protective Coatingsq. ft.86148700374
Fixed Bearingeach32767197630
Steel Protective Coatingsq. ft.3,1112,60700504
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.6,0286,0130150
Steel Protective Coatingsq. ft.54,06054,0450141
Reinforced Concrete Bridge Raillinear ft.16,91012,1114,1706290