US Bridges

SR-451 NB Ramp over SR-414 and Ramp Hf

Fair

Orange County, Florida · SR-429 NB to SR-541 NB · Structure no. 750723

Built
2012
13 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
877 ft
5 main spans
Daily traffic
15,000
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-451 NB Ramp over SR-414 and Ramp Hf is a steel continuous box beam or girders - single or spread carrying SR-451 NB Ramp over SR-414 and Ramp Hf in Orange County, Florida. It was built in 2012, so it is 13 years old, younger 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 15,000 vehicles a day, roughly 6% of them trucks, projected to reach 26,025 by 2044. The structure is 877 ft (267.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR-451 NB Ramp
CrossesSR-414 and Ramp Hf
LocationSR-429 NB to SR-541 NB
RouteState Highway 451
StateFlorida
Coordinates28.65302, -81.53098
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.3 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length877 ft (267.3 m)
Longest span217 ft (66.1 m)
Deck width36 ft (11 m)
Roadway width33 ft (10 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15,000 (2022)
Projected traffic26,025 by 2044
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-451 NB Ramp over SR-414 and Ramp Hf built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR-451 NB Ramp over SR-414 and Ramp Hf 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 February 2024.

How much traffic does SR-451 NB Ramp over SR-414 and Ramp Hf carry?

About 15,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR-451 NB Ramp over SR-414 and Ramp Hf?

The structure is 877 ft (267.3 m) long with a longest span of 217 ft (66.1 m) and a deck 36 ft wide.

Who owns SR-451 NB Ramp over SR-414 and Ramp Hf?

It is owned by the State Toll Authority.