US Bridges

SR 429 SB over International Parkway

Good

Seminole County, Florida · SR 429 Sb- Intntl Pkwy · Structure no. 770120

Built
2023
2 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
187 ft
1 main span
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 429 SB over International Parkway is a prestressed concrete stringer/multi-beam or girder carrying SR 429 SB over International Parkway in Seminole County, Florida. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,500 by 2042. The structure is 187 ft (57.1 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 SB
CrossesInternational Parkway
LocationSR 429 Sb- Intntl Pkwy
CountySeminole County
StateFlorida
Coordinates28.79833, -81.35222
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.3 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length187 ft (57.1 m)
Longest span185 ft (56.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,500 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollToll bridge
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 SR 429 SB over International Parkway built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 429 SB over International Parkway 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 International Parkway carry?

About 1,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SR 429 SB over International Parkway?

The structure is 187 ft (57.1 m) long with a longest span of 185 ft (56.4 m) and a deck 43 ft wide.

Who owns SR 429 SB over International Parkway?

It is owned by the State Highway Agency.