US Bridges

Coastline Drive over St. Johns River

Good

Duval County, Florida · Coastline DR over St. Joh · Structure no. 724434

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete
Length
451 ft
7 main spans
Daily traffic
3,101
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Coastline Drive over St. Johns River is a prestressed concrete slab carrying Coastline Drive over St. Johns River in Duval County, Florida. It was built in 2019, so it is 6 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,101 vehicles a day, roughly 5% of them trucks, projected to reach 5,380 by 2042. The structure is 451 ft (137.5 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCoastline Drive
CrossesSt. Johns River
LocationCoastline DR over St. Joh
RouteCity Street 0
StateFlorida
Coordinates30.32364, -81.65547
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.6 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadHL 93
Structure length451 ft (137.5 m)
Longest span63 ft (19.3 m)
Deck width80 ft (24.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,101 (2023)
Projected traffic5,380 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coastline Drive over St. Johns River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Coastline Drive over St. Johns River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Coastline Drive over St. Johns River carry?

About 3,101 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Coastline Drive over St. Johns River?

The structure is 451 ft (137.5 m) long with a longest span of 63 ft (19.3 m) and a deck 80 ft wide.

Who owns Coastline Drive over St. Johns River?

It is owned by the City or Municipal Highway Agency.