US Bridges

US-1 SB over Black Branch Creek

Good

Flagler County, Florida · US-1 SB over Black Branch · Structure no. 730075

Built
2010
15 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
119 ft
4 main spans
Daily traffic
6,200
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 SB over Black Branch Creek is a concrete continuous slab carrying US-1 SB over Black Branch Creek in Flagler County, Florida. It was built in 2010, so it is 15 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 6,200 vehicles a day, roughly 14% of them trucks, projected to reach 10,757 by 2044. The structure is 119 ft (36.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-1 SB
CrossesBlack Branch Creek
LocationUS-1 SB over Black Branch
RouteU.S. Route 1
StateFlorida
Coordinates29.4515, -81.2457
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
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 rating52.9 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length119 ft (36.3 m)
Longest span30 ft (9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2022)
Projected traffic10,757 by 2044
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-1 SB over Black Branch Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is US-1 SB over Black Branch 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 June 2024.

How much traffic does US-1 SB over Black Branch Creek carry?

About 6,200 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US-1 SB over Black Branch Creek?

The structure is 119 ft (36.3 m) long with a longest span of 30 ft (9 m) and a deck 43 ft wide.

Who owns US-1 SB over Black Branch Creek?

It is owned by the State Highway Agency.