US Bridges

I-4 EB over SR 429

Good

Seminole County, Florida · I-4 EB over SR 429 · Structure no. 770126

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
2 main spans
Daily traffic
5,400
2022 count
Owner
State
State Highway Agency

About this bridge

I-4 EB over SR 429 is a prestressed concrete stringer/multi-beam or girder carrying I-4 EB over SR 429 in Seminole County, Florida. It was built in 2021, so it is 4 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 5,400 vehicles a day, roughly 6% of them trucks, projected to reach 10,000 by 2042. The structure is 232 ft (70.7 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-4 EB
CrossesSR 429
LocationI-4 EB over SR 429
RouteInterstate 400
StateFlorida
Coordinates28.79671, -81.34609
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionApril 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 rating60.8 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length232 ft (70.7 m)
Longest span116 ft (35.3 m)
Deck width59 ft (17.9 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2022)
Projected traffic10,000 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-4 EB over SR 429 built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-4 EB over SR 429 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 April 2024.

How much traffic does I-4 EB over SR 429 carry?

About 5,400 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I-4 EB over SR 429?

The structure is 232 ft (70.7 m) long with a longest span of 116 ft (35.3 m) and a deck 59 ft wide.

Who owns I-4 EB over SR 429?

It is owned by the State Highway Agency.