US Bridges

Ramp L1 over Ramp O1

Good

Seminole County, Florida · I-4 WB Exit Ramp(ramp L1) · Structure no. 770135

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
357 ft
2 main spans
Daily traffic
10,000
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp L1 over Ramp O1 is a prestressed concrete stringer/multi-beam or girder carrying Ramp L1 over Ramp O1 in Seminole County, Florida. It was built in 2021, so it is 4 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 10,000 vehicles a day, roughly 14% of them trucks, projected to reach 17,000 by 2042. The structure is 357 ft (108.8 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp L1
CrossesRamp O1
LocationI-4 WB Exit Ramp(ramp L1)
RouteInterstate 4
CountySeminole County
StateFlorida
Coordinates28.79139, -81.34894
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 2023
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 rating62.3 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length357 ft (108.8 m)
Longest span180 ft (54.8 m)
Deck width73 ft (22.3 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2023)
Projected traffic17,000 by 2042
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 O1 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Ramp L1 over Ramp O1 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 October 2023.

How much traffic does Ramp L1 over Ramp O1 carry?

About 10,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Ramp L1 over Ramp O1?

The structure is 357 ft (108.8 m) long with a longest span of 180 ft (54.8 m) and a deck 73 ft wide.

Who owns Ramp L1 over Ramp O1?

It is owned by the State Highway Agency.