US Bridges

Ramp O over Karst Area

Good

Lake County, Florida · SR-429 Ramp O over Karst · Structure no. 110096

Built
2015
10 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
1 main span
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp O over Karst Area is a prestressed concrete stringer/multi-beam or girder carrying Ramp O over Karst Area in Lake County, Florida. It was built in 2015, so it is 10 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,500 vehicles a day, roughly 8% of them trucks, projected to reach 7,808 by 2044. The structure is 139 ft (42.4 m) long and 30 ft wide.

CarriesRamp O
CrossesKarst Area
LocationSR-429 Ramp O over Karst
RouteState Highway 429
StateFlorida
Coordinates28.80963, -81.50812
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length139 ft (42.4 m)
Longest span139 ft (42.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic7,808 by 2044
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed—
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 O over Karst Area built?

It was built in 2015, making it 10 years old in 2025.

What condition is Ramp O over Karst Area 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 2024.

How much traffic does Ramp O over Karst Area carry?

About 4,500 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ramp O over Karst Area?

The structure is 139 ft (42.4 m) long with a longest span of 139 ft (42.4 m) and a deck 30 ft wide.

Who owns Ramp O over Karst Area?

It is owned by the State Highway Agency.