US Bridges

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

Fair

Taylor County, Florida · 5.2 Mi. N. of SR-51 · Structure no. 380019

Built
1954
71 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

US-19 SB (SR-55) over Flat Branch is a concrete culvert carrying US-19 SB (SR-55) over Flat Branch in Taylor County, Florida. It was built in 1954, so it is 71 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 2,900 vehicles a day, roughly 17% of them trucks, projected to reach 5,032 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-19 SB (SR-55)
CrossesFlat Branch
Location5.2 Mi. N. of SR-51
RouteU.S. Route 19
StateFlorida
Coordinates29.84137, -83.37153
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 rating74.5 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 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 traffic2,900 (2023)
Projected traffic5,032 by 2045
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SB (SR-55) over Flat Branch built?

It was built in 1954, making it 71 years old in 2025.

What condition is US-19 SB (SR-55) over Flat Branch 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-19 SB (SR-55) over Flat Branch carry?

About 2,900 vehicles per day (2023 count), of which roughly 17% are trucks.

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

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

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

It is owned by the State Highway Agency.