US Bridges

US-1 SB (SR-15) over Thomas Creek

Fair

Duval County, Florida · US-1 over Thomas Creek · Structure no. 720662

Built
1998
27 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
279 ft
12 main spans
Daily traffic
8,300
2023 count
Owner
State
State Highway Agency

About this bridge

US-1 SB (SR-15) over Thomas Creek is a concrete continuous slab carrying US-1 SB (SR-15) over Thomas Creek in Duval County, Florida. It was built in 1998, so it is 27 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,300 vehicles a day, roughly 10% of them trucks, projected to reach 14,401 by 2045. The structure is 279 ft (85 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-1 SB (SR-15)
CrossesThomas Creek
LocationUS-1 over Thomas Creek
RouteU.S. Route 1
StateFlorida
Coordinates30.50575, -81.7917
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating93.9 US tons
Inventory rating56.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length279 ft (85 m)
Longest span23 ft (7 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2023)
Projected traffic14,401 by 2045
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-1 SB (SR-15) over Thomas Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is US-1 SB (SR-15) over Thomas Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does US-1 SB (SR-15) over Thomas Creek carry?

About 8,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US-1 SB (SR-15) over Thomas Creek?

The structure is 279 ft (85 m) long with a longest span of 23 ft (7 m) and a deck 43 ft wide.

Who owns US-1 SB (SR-15) over Thomas Creek?

It is owned by the State Highway Agency.