US Bridges

US-1 NB (SR-15) over Braddock Creek

Fair

Nassau County, Florida · 3 Mi. N. of Duval Co. · Structure no. 740078

Built
1948
77 years old, rebuilt 2001
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
8,050
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 NB (SR-15) over Braddock Creek is a concrete culvert carrying US-1 NB (SR-15) over Braddock Creek in Nassau County, Florida. It was built in 1948 and reconstructed in 2001, 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 8,050 vehicles a day, roughly 10% of them trucks, projected to reach 13,967 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS-1 NB (SR-15)
CrossesBraddock Creek
Location3 Mi. N. of Duval Co.
RouteU.S. Route 1
CountyNassau County
StateFlorida
Coordinates30.54441, -81.81582
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,050 (2022)
Projected traffic13,967 by 2042
Trucks10%
Lanes on structure3
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 NB (SR-15) over Braddock Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2001.

What condition is US-1 NB (SR-15) over Braddock 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 November 2023.

How much traffic does US-1 NB (SR-15) over Braddock Creek carry?

About 8,050 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is US-1 NB (SR-15) over Braddock Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns US-1 NB (SR-15) over Braddock Creek?

It is owned by the State Highway Agency.