US Bridges

SR-451 SB over Florida Central RR

Fair

Orange County, Florida · SR-451 - Fla Central RR · Structure no. 750507

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
3 main spans
Daily traffic
2,500
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-451 SB over Florida Central RR is a prestressed concrete stringer/multi-beam or girder carrying SR-451 SB over Florida Central RR in Orange County, Florida. It was built in 2000, so it is 25 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 2,500 vehicles a day, roughly 6% of them trucks, projected to reach 4,338 by 2045. The structure is 145 ft (44.2 m) long and 47 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesSR-451 SB
CrossesFlorida Central RR
LocationSR-451 - Fla Central RR
RouteState Highway 451
CountyOrange County
StateFlorida
Coordinates28.68242, -81.52842
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span67 ft (20.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic4,338 by 2045
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed4.3 mi (7 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 SB over Florida Central RR built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR-451 SB over Florida Central RR 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 September 2024.

How much traffic does SR-451 SB over Florida Central RR carry?

About 2,500 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR-451 SB over Florida Central RR?

The structure is 145 ft (44.2 m) long with a longest span of 67 ft (20.4 m) and a deck 47 ft wide.

Who owns SR-451 SB over Florida Central RR?

It is owned by the State Toll Authority.