US Bridges

Buck Island Bridge over St. Johns Creek

Good

Duval County, Florida · 1.2 MI N/O Mt Pleasant RD · Structure no. 724437

Built
1995
30 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
101
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Buck Island Bridge over St. Johns Creek is a prestressed concrete tee beam carrying Buck Island Bridge over St. Johns Creek in Duval County, Florida. It was built in 1995, so it is 30 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 101 vehicles a day, roughly 50% of them trucks, projected to reach 127 by 2042. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesBuck Island Bridge
CrossesSt. Johns Creek
Location1.2 MI N/O Mt Pleasant RD
CountyDuval County
StateFlorida
Coordinates30.38489, -81.48465
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2023)
Projected traffic127 by 2042
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 Buck Island Bridge over St. Johns Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Buck Island Bridge over St. Johns Creek 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 October 2023.

How much traffic does Buck Island Bridge over St. Johns Creek carry?

About 101 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is Buck Island Bridge over St. Johns Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns Buck Island Bridge over St. Johns Creek?

It is owned by the City or Municipal Highway Agency.