US Bridges

US-19 NB (SR-55) over Flat Branch

Good

Levy County, Florida · 2.8 Mi. S. of SR-24 · Structure no. 340068

Built
1970
55 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
93 ft
3 main spans
Daily traffic
2,850
2023 count
Owner
State
State Highway Agency

About this bridge

US-19 NB (SR-55) over Flat Branch is a concrete slab carrying US-19 NB (SR-55) over Flat Branch in Levy County, Florida. It was built in 1970, so it is 55 years old, older 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 2,850 vehicles a day, roughly 12% of them trucks, projected to reach 4,945 by 2045. The structure is 93 ft (28.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-19 NB (SR-55)
CrossesFlat Branch
Location2.8 Mi. S. of SR-24
RouteU.S. Route 19
StateFlorida
Coordinates29.29199, -82.74678
Functional classRural Principal Arterial - Other

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating73.5 US tons
Inventory rating44.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2023)
Projected traffic4,945 by 2045
Trucks12%
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-19 NB (SR-55) over Flat Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is US-19 NB (SR-55) over Flat Branch 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 May 2024.

How much traffic does US-19 NB (SR-55) over Flat Branch carry?

About 2,850 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US-19 NB (SR-55) over Flat Branch?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 42 ft wide.

Who owns US-19 NB (SR-55) over Flat Branch?

It is owned by the State Highway Agency.