US Bridges

SR-429 NB over Northwest Ditch

Good

Orange County, Florida · 2.9 Miles North of SR-50 · Structure no. 750417

Built
2000
25 years old, rebuilt 2023
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
42,250
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-429 NB over Northwest Ditch is a prestressed concrete stringer/multi-beam or girder carrying SR-429 NB over Northwest Ditch in Orange County, Florida. It was built in 2000 and reconstructed in 2023, so it is 25 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 42,250 vehicles a day, roughly 5% of them trucks, projected to reach 73,304 by 2045. The structure is 112 ft (34 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR-429 NB
CrossesNorthwest Ditch
Location2.9 Miles North of SR-50
RouteState Highway 429
CountyOrange County
StateFlorida
Coordinates28.59185, -81.55742
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length112 ft (34 m)
Longest span110 ft (33.4 m)
Deck width89 ft (27 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,250 (2023)
Projected traffic73,304 by 2045
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-429 NB over Northwest Ditch built?

It was built in 2000, making it 25 years old in 2025. It was reconstructed in 2023.

What condition is SR-429 NB over Northwest Ditch 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 August 2024.

How much traffic does SR-429 NB over Northwest Ditch carry?

About 42,250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR-429 NB over Northwest Ditch?

The structure is 112 ft (34 m) long with a longest span of 110 ft (33.4 m) and a deck 89 ft wide.

Who owns SR-429 NB over Northwest Ditch?

It is owned by the State Toll Authority.