US Bridges

Ramp L1 over Ramp I

Good

Seminole County, Florida · SR-429 NB Exit Ramp · Structure no. 770122

Built
2023
2 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp L1 over Ramp I is a prestressed concrete stringer/multi-beam or girder carrying Ramp L1 over Ramp I 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 3% of them trucks, projected to reach 2,000 by 2033. The structure is 105 ft (32 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp L1
CrossesRamp I
LocationSR-429 NB Exit Ramp
StateFlorida
Coordinates28.79722, -81.35111
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 inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating42.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length105 ft (32 m)
Longest span103 ft (31.4 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic2,000 by 2033
Trucks3%
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 Ramp L1 over Ramp I built?

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

What condition is Ramp L1 over Ramp I 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 March 2024.

How much traffic does Ramp L1 over Ramp I carry?

About 1,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ramp L1 over Ramp I?

The structure is 105 ft (32 m) long with a longest span of 103 ft (31.4 m) and a deck 40 ft wide.

Who owns Ramp L1 over Ramp I?

It is owned by the State Highway Agency.