US Bridges

I-95 (SR-9) over St. Johns River

Good

Duval County, Florida · I-95 over St. Johns River · Structure no. 720629

Built
2003
22 years old, rebuilt 2021
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,533 ft
3 main spans
Daily traffic
170,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-95 (SR-9) over St. Johns River is a prestressed concrete continuous stringer/multi-beam or girder carrying I-95 (SR-9) over St. Johns River in Duval County, Florida. It was built in 2003 and reconstructed in 2021, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 170,000 vehicles a day, roughly 5% of them trucks, projected to reach 294,100 by 2042. The structure is 2,533 ft (772.1 m) long and 165 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-95 (SR-9)
CrossesSt. Johns River
LocationI-95 over St. Johns River
RouteInterstate 95
CountyDuval County
StateFlorida
Coordinates30.31504, -81.67082
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+13 approach)
Design loadHS 20 + Mod
Structure length2,533 ft (772.1 m)
Longest span250 ft (76.2 m)
Deck width165 ft (50.3 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic170,000 (2022)
Projected traffic294,100 by 2042
Trucks5%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I-95 (SR-9) over St. Johns River built?

It was built in 2003, making it 22 years old in 2025. It was reconstructed in 2021.

What condition is I-95 (SR-9) 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 August 2023.

How much traffic does I-95 (SR-9) over St. Johns River carry?

About 170,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I-95 (SR-9) over St. Johns River?

The structure is 2,533 ft (772.1 m) long with a longest span of 250 ft (76.2 m) and a deck 165 ft wide.

Who owns I-95 (SR-9) over St. Johns River?

It is owned by the State Highway Agency.