US Bridges

SR-429 SB over CR-435 Mt. Plymouth Rd.

Good

Orange County, Florida · 2.8MI South of SR-46 · Structure no. 750877

Built
2017
8 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
137 ft
1 main span
Daily traffic
5,200
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-429 SB over CR-435 Mt. Plymouth Rd. is a prestressed concrete box beam or girders - single or spread carrying SR-429 SB over CR-435 Mt. Plymouth Rd. in Orange County, Florida. It was built in 2017, so it is 8 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 5,200 vehicles a day, roughly 11% of them trucks, projected to reach 9,022 by 2044. The structure is 137 ft (41.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR-429 SB
CrossesCR-435 Mt. Plymouth Rd.
Location2.8MI South of SR-46
RouteState Highway 429
CountyOrange County
StateFlorida
Coordinates28.77789, -81.52667
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating43.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length137 ft (41.9 m)
Longest span137 ft (41.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2022)
Projected traffic9,022 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 SB over CR-435 Mt. Plymouth Rd. built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR-429 SB over CR-435 Mt. Plymouth Rd. 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 SB over CR-435 Mt. Plymouth Rd. carry?

About 5,200 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SR-429 SB over CR-435 Mt. Plymouth Rd.?

The structure is 137 ft (41.9 m) long with a longest span of 137 ft (41.9 m) and a deck 43 ft wide.

Who owns SR-429 SB over CR-435 Mt. Plymouth Rd.?

It is owned by the State Toll Authority.