US Bridges

SR 429 NB Ramp L2 over I-4

Good

Seminole County, Florida · SR-429 NB Ramp L2- I-4 · Structure no. 770134

Built
2023
2 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
637 ft
3 main spans
Daily traffic
1,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR 429 NB Ramp L2 over I-4 is a steel continuous stringer/multi-beam or girder carrying SR 429 NB Ramp L2 over I-4 in Seminole County, Florida. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,000 by 2034. The structure is 637 ft (194.2 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 429 NB Ramp L2
CrossesI-4
LocationSR-429 NB Ramp L2- I-4
CountySeminole County
StateFlorida
Coordinates28.79361, -81.34694
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.7 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length637 ft (194.2 m)
Longest span276 ft (84.2 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic2,000 by 2034
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemNo

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 Ramp L2 over I-4 built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 429 NB Ramp L2 over I-4 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 2024.

How much traffic does SR 429 NB Ramp L2 over I-4 carry?

About 1,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 429 NB Ramp L2 over I-4?

The structure is 637 ft (194.2 m) long with a longest span of 276 ft (84.2 m) and a deck 48 ft wide.

Who owns SR 429 NB Ramp L2 over I-4?

It is owned by the State Highway Agency.