US Bridges

SR 429 SB over International Dr.

Good

Seminole County, Florida · SR 429 SB - Int. Dr. · Structure no. 770119

Built
2022
3 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
251 ft
2 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

SR 429 SB over International Dr. is a prestressed concrete stringer/multi-beam or girder carrying SR 429 SB over International Dr. in Seminole County, Florida. It was built in 2022, so it is 3 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 500 vehicles a day, roughly 6% of them trucks, projected to reach 1,000 by 2042. The structure is 251 ft (76.4 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
CrossesInternational Dr.
LocationSR 429 SB - Int. Dr.
CountySeminole County
StateFlorida
Coordinates28.80094, -81.35607
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating36.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length251 ft (76.4 m)
Longest span134 ft (40.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic1,000 by 2042
Trucks6%
Lanes on structure1
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 Dr. built?

It was built in 2022, making it 3 years old in 2025.

What condition is SR 429 SB over International Dr. 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 Dr. carry?

About 500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR 429 SB over International Dr.?

The structure is 251 ft (76.4 m) long with a longest span of 134 ft (40.9 m) and a deck 43 ft wide.

Who owns SR 429 SB over International Dr.?

It is owned by the State Highway Agency.