US Bridges

SR-429 NB over Low Area

Fair

Orange County, Florida · 0.6MI. North of US-441 · Structure no. 750858

Built
2016
9 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
613 ft
6 main spans
Daily traffic
4,700
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-429 NB over Low Area is a prestressed concrete stringer/multi-beam or girder carrying SR-429 NB over Low Area 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 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 4,700 vehicles a day, roughly 6% of them trucks, projected to reach 8,154 by 2044. The structure is 613 ft (186.7 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR-429 NB
CrossesLow Area
Location0.6MI. North of US-441
RouteState Highway 429
CountyOrange County
StateFlorida
Coordinates28.70417, -81.55922
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 inspectionJuly 2023
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 rating46.4 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length613 ft (186.7 m)
Longest span102 ft (31.1 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.9 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
CrossesOther
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 NB over Low Area built?

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

What condition is SR-429 NB over Low Area 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 2023.

How much traffic does SR-429 NB over Low Area carry?

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

How long is SR-429 NB over Low Area?

The structure is 613 ft (186.7 m) long with a longest span of 102 ft (31.1 m) and a deck 55 ft wide.

Who owns SR-429 NB over Low Area?

It is owned by the State Toll Authority.