US Bridges

SR-429 NB over SR-46 EB Frontage RD

Good

Seminole County, Florida · SR-429 NB · Structure no. 770110

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
153 ft
1 main span
Daily traffic
1,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR-429 NB over SR-46 EB Frontage RD is a prestressed concrete stringer/multi-beam or girder carrying SR-429 NB over SR-46 EB Frontage RD in Seminole County, Florida. It was built in 2022, so it is 3 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 3,000 by 2044. The structure is 153 ft (46.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR-429 NB
CrossesSR-46 EB Frontage RD
LocationSR-429 NB
RouteState Highway 429
CountySeminole County
StateFlorida
Coordinates28.81167, -81.36861
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length153 ft (46.6 m)
Longest span151 ft (46 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic3,000 by 2044
Trucks10%
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 Highway Agency
Maintained byState Highway Agency
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 SR-46 EB Frontage RD built?

It was built in 2022, making it 3 years old in 2025.

What condition is SR-429 NB over SR-46 EB Frontage RD 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 June 2024.

How much traffic does SR-429 NB over SR-46 EB Frontage RD carry?

About 1,500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR-429 NB over SR-46 EB Frontage RD?

The structure is 153 ft (46.6 m) long with a longest span of 151 ft (46 m) and a deck 43 ft wide.

Who owns SR-429 NB over SR-46 EB Frontage RD?

It is owned by the State Highway Agency.