US Bridges

SR-429 SB over Southfork Drive

Good

Orange County, Florida · 0.4 Mile N of US-441 · Structure no. 750853

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
4,700
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-429 SB over Southfork Drive is a prestressed concrete stringer/multi-beam or girder carrying SR-429 SB over Southfork Drive in Orange County, Florida. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,700 vehicles a day, roughly 6% of them trucks, projected to reach 8,154 by 2044. The structure is 78 ft (23.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR-429 SB
CrossesSouthfork Drive
Location0.4 Mile N of US-441
RouteState Highway 429
CountyOrange County
StateFlorida
Coordinates28.70008, -81.55928
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length78 ft (23.7 m)
Longest span76 ft (23.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic8,154 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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-429 SB over Southfork Drive built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR-429 SB over Southfork Drive 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 April 2023.

How much traffic does SR-429 SB over Southfork Drive carry?

About 4,700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR-429 SB over Southfork Drive?

The structure is 78 ft (23.7 m) long with a longest span of 76 ft (23.1 m) and a deck 43 ft wide.

Who owns SR-429 SB over Southfork Drive?

It is owned by the State Toll Authority.