Florida State Road 105

State Road 105

SR 105 highlighted in red

Route information

Maintained by FDOT

Length

36.818 mi^[1] (59.253 km)

Major junctions

South end

I-95 in Jacksonville

US 17 in Jacksonville

I-295 in Jacksonville

North end

SR A1A in Fernandina Beach

Location

Country

United States

State

Florida

Highway system

Florida State Highway System

←

SR 104

→

SR 109

State Road 105 (SR 105) is a 36.818-mile-long (59.253 km) north-south state highway in northeastern Jacksonville, Florida. It travels from an interchange with Interstate 95 (I-95) just north of downtown eastward (signed north) along the north bank of the St. Johns River to an intersection with SR A1A, at the Mayport Ferry, and then along SR A1A to the end of SR 200 in Fernandina Beach.

SR 105 is the only access road to the Jacksonville Zoo and Gardens. In fact, the entire road was named Heckscher Drive for years. However, the section from I-95 east to I-295 East Beltway was renamed Zoo Parkway.

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Route description

SR 105 begins at an interchange with I-95.^[2] SR 105 has an interchange with U.S. Route 17 (US 17) less than 1 mile (1.6 km) from its western terminus. From there, SR 105 can be characterized as a four-lane mid-speed highway that parallels the north bank of the St. Johns River through a rural area.^[3]^[4] After 5.9 miles (9.5 km), traffic slows down briefly to a pair of traffic lights. In between the traffic lights, there are on-ramps for access to Interstate 295 (I-295).^[5] After the traffic lights, SR 105 begins to travel through marshland along the St. Johns River. The speed limit for this portion of the road is 45 miles per hour (72 km/h).^[6] During this stretch, SR 105 intersects all the roads that cross the St. Johns River. After intersecting Dave Rawls Boulevard, SR 105 thins down to a two-lane highway. The road proceeds to travel through mostly marshland, crossing over Little Clapboard Creek and Sisters Creek.^[7]^[8] After 9.3 miles (15.0 km) of travelling through marshland, SR 105 intersects SR A1A, which crosses the St. Johns River via the Mayport Ferry.^[9] At this point, signage disappears for SR 105 as it converges with SR A1A.^[10] SR 105 follows SR A1A over Fort George Inlet and through Little Talbot Island State Park and Big Talbot Island State Park.^[11] SR 105 then crosses the mouth of the Nassau River into Amelia City.^[12] SR 105 follows the beach due north until its reaches its northern terminus in Fernandina Beach.^[13]

History

SR 105 travels concurrent with SR A1A from the Mayport Ferry up to Fernandina Beach, however, over the years, signage has been removed.^{[citation needed]}

Major intersections

County	Location	mi^[1]	km	Destinations	Notes
Duval	Jacksonville	0.000	0.000	I-95 (SR 9) / Broward Road west – Jacksonville, Daytona Beach, International Airport, Savannah	Exit 358 on I-95
		0.542	0.872	US 17 (Main Street / SR 5)	Trumpet interchange
		3.681	5.924	Bridge over Broward River
		4.977	8.010	Bridge over Dunn Creek
		6.034	9.711	I-295 (Jacksonville East Beltway / SR 9A) to I-95 – Jax Beaches, Daytona Beach, International Airport, Savannah	Exit 41 on I-295 (East Beltway)
		7.026	11.307	Bridge over San Carlos Creek
		7.293	11.737	Blount Island Marine Terminal	Partial interchange with Dave Rawis Boulevard
		8.160	13.132	Bridge over Browns Creek
		9.759	15.706	Bridge over Clapboard Creek
		13.112	21.102	Bridge over Sisters Creek
		15.061	24.238	SR A1A south (St. Johns River Ferry)	Southern terminus of concurrency with SR A1A
				Bridge over Fort George River
Nassau Sound				Nassau Sound Bridge
Nassau	Fernandina Beach			CR 108 west (Sadler Road)	Traffic circle; eastern terminus of CR 108; former SR 108
Nassau	Fernandina Beach	36.818	59.253	SR A1A north (Atlantic Avenue / SR 200 west) – Fort Clinch State Park	Northern terminus of SR 105; eastern terminus of SR 200
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus