US Bridges

SR-429 SB over SR-91

Fair

Orange County, Florida · SR-429-SR-91 · Structure no. 750547

Built
2002
23 years old, rebuilt 2024
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
293 ft
2 main spans
Daily traffic
37,250
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-429 SB over SR-91 is a steel continuous stringer/multi-beam or girder carrying SR-429 SB over SR-91 in Orange County, Florida. It was built in 2002 and reconstructed in 2024, so it is 23 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 37,250 vehicles a day, roughly 5% of them trucks, projected to reach 64,629 by 2045. The structure is 293 ft (89.3 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR-429 SB
CrossesSR-91
LocationSR-429-SR-91
CountyOrange County
StateFlorida
Coordinates28.54669, -81.558
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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 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 rating57.7 US tons
Inventory rating44.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length293 ft (89.3 m)
Longest span161 ft (49.1 m)
Deck width79 ft (24.2 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic37,250 (2023)
Projected traffic64,629 by 2045
Trucks5%
Lanes on structure3
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 SR-91 built?

It was built in 2002, making it 23 years old in 2025. It was reconstructed in 2024.

What condition is SR-429 SB over SR-91 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 December 2024.

How much traffic does SR-429 SB over SR-91 carry?

About 37,250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR-429 SB over SR-91?

The structure is 293 ft (89.3 m) long with a longest span of 161 ft (49.1 m) and a deck 79 ft wide.

Who owns SR-429 SB over SR-91?

It is owned by the State Toll Authority.