US Bridges

SR-115 over Thomas Creek

Fair

Nassau County, Florida · On the Duval Co. Line · Structure no. 740054

Built
1948
77 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
210 ft
14 main spans
Daily traffic
12,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR-115 over Thomas Creek is a concrete slab carrying SR-115 over Thomas Creek in Nassau County, Florida. It was built in 1948, so it is 77 years old, older 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 12,000 vehicles a day, roughly 2% of them trucks, projected to reach 20,820 by 2044. The structure is 210 ft (64 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR-115
CrossesThomas Creek
LocationOn the Duval Co. Line
RouteState Highway 115
CountyNassau County
StateFlorida
Coordinates30.51865, -81.76531
Functional classUrban Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating20.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length210 ft (64 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2022)
Projected traffic20,820 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 SR-115 over Thomas Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is SR-115 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 April 2023.

How much traffic does SR-115 over Thomas Creek carry?

About 12,000 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is SR-115 over Thomas Creek?

The structure is 210 ft (64 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns SR-115 over Thomas Creek?

It is owned by the State Highway Agency.