SR-10A (MATHEWS) over ST. JOHNS RV. & ALT-US-1

Map

Coordinates:
+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]`

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

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
April 2016	44.1	Fair	Fair	Fair	Satisfactory	FO	67000
May 2014	41.9	Fair	Fair	Fair	Satisfactory	FO	63000
August 2013	41.9	Fair	Fair	Fair	Satisfactory	FO	56500
August 2011	41.9	Fair	Fair	Fair	Satisfactory	FO	66500
August 2009	43.6	Fair	Fair	Fair	Satisfactory	FO	67500
August 2007	43.6	Fair	Fair	Fair	Satisfactory	FO	72000
August 2005	40.2	Fair	Fair	Fair	Satisfactory	FO	72000
October 2003	42.2	Fair	Fair	Fair	Satisfactory	FO	66500
October 2001	44.0	Fair	Fair	Fair	Satisfactory	-	79500
October 1999	43.0	Fair	Satisfactory	Fair	Satisfactory	FO	75500
October 1997	46.9	Fair	Satisfactory	Satisfactory	Satisfactory	-	67000
October 1995	44.9	Fair	Satisfactory	Satisfactory	Satisfactory	FO	67000
September 1993	46.9	Fair	Satisfactory	Fair	Satisfactory	-	71400
October 1991	49.9	Fair	Good	Satisfactory	Good	-	61343