US Bridges

SR-429 NB over Floodplain

Good

Lake County, Florida · 1 MI N of Mt Plymouth RD · Structure no. 110603

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
785 ft
8 main spans
Daily traffic
5,200
2024 count
Owner
State
State Highway Agency

About this bridge

SR-429 NB over Floodplain is a prestressed concrete stringer/multi-beam or girder carrying SR-429 NB over Floodplain 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 5,200 vehicles a day, roughly 11% of them trucks, projected to reach 6,500 by 2044. The structure is 785 ft (239.2 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
CrossesFloodplain
Location1 MI N of Mt Plymouth RD
CountyLake County
StateFlorida
Coordinates28.79175, -81.51816
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length785 ft (239.2 m)
Longest span98 ft (29.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5,200 (2024)
Projected traffic6,500 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 Floodplain built?

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

What condition is SR-429 NB over Floodplain 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 SR-429 NB over Floodplain carry?

About 5,200 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SR-429 NB over Floodplain?

The structure is 785 ft (239.2 m) long with a longest span of 98 ft (29.8 m) and a deck 43 ft wide.

Who owns SR-429 NB over Floodplain?

It is owned by the State Highway Agency.