+30.32722, -81.62222
30°19'38" N, 81°37'20" 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 and waterway
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:146.0 ft. [44.5 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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:67,000 [as of 2015]
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]
Operating rating:36.3 tons [33.0 metric tons]
Inventory rating:28.1 tons [25.5 metric tons]
Sufficiency rating:44.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$4,093,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201644.1FairFairFairSatisfactoryFO67000
May 201441.9FairFairFairSatisfactoryFO63000
August 201341.9FairFairFairSatisfactoryFO56500
August 201141.9FairFairFairSatisfactoryFO66500
August 200943.6FairFairFairSatisfactoryFO67500
August 200743.6FairFairFairSatisfactoryFO72000
August 200540.2FairFairFairSatisfactoryFO72000
October 200342.2FairFairFairSatisfactoryFO66500
October 200144.0FairFairFairSatisfactory-79500
October 199943.0FairSatisfactoryFairSatisfactoryFO75500
October 199746.9FairSatisfactorySatisfactorySatisfactory-67000
October 199544.9FairSatisfactorySatisfactorySatisfactoryFO67000
September 199346.9FairSatisfactoryFairSatisfactory-71400
October 199149.9FairGoodSatisfactoryGood-61343

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.16,0858,6545,6311,8000
Steel Protective Coatingsq. ft.1,0001,000000
Steel Stringerlinear ft.50,66441,0673,0116,50185
Steel Protective Coatingsq. ft.2,0002,000000
Reinforced Concrete Decksq. ft.381,290349,70331,58700
Steel Trusslinear ft.10,43610,3785800
Steel Protective Coatingsq. ft.2,0002,000000
Steel Floor Beamlinear ft.20,18914,4584,3331,3980
Steel Protective Coatingsq. ft.2,0002,000000
Steel Pin or Pin & Hangar Assemblyeach65100
Steel Protective Coatingsq. ft.1,0001,000000
Reinforced Concrete Abutmentlinear ft.118118000
Reinforced Concrete Pile Cap/Footinglinear ft.305305000
Steel Pileeach107001070
Steel Protective Coatingsq. ft.1,0001,000000
Reinforced Concrete Pileeach2830712120
Reinforced Concrete Pier Caplinear ft.2,8052,692100130
Corrugated or Orthotropic Decksq. ft.47,03847,038000
Wearing Surfacessq. ft.47,03847,038000
Steel Protective Coatingsq. ft.1,0001,000000
Pourable Jointlinear ft.2,7862,784002
Open Jointlinear ft.1,7421,7103200
Movable Bearingeach183417900
Steel Protective Coatingsq. ft.2,0002,000000
Fixed Bearingeach32724065022
Steel Protective Coatingsq. ft.2,0002,000000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.6,0286,028000
Steel Protective Coatingsq. ft.1,0001,000000
Reinforced Concrete Bridge Raillinear ft.16,91013,8612,4376120