US Bridges

SR-436(SEMORAN Bl) over I-4

Good

Seminole County, Florida · 2.0MI N of SR 414 · Structure no. 770115

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
224 ft
2 main spans
Daily traffic
58,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR-436(SEMORAN Bl) over I-4 is a prestressed concrete stringer/multi-beam or girder carrying SR-436(SEMORAN Bl) over I-4 in Seminole County, Florida. It was built in 2019, so it is 6 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 58,000 vehicles a day, roughly 4% of them trucks, projected to reach 100,630 by 2041. The structure is 224 ft (68.3 m) long and 365 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesSR-436(SEMORAN Bl)
CrossesI-4
Location2.0MI N of SR 414
RouteState Highway 436
CountySeminole County
StateFlorida
Coordinates28.66197, -81.38853
Functional classUrban Other Principal Arterial

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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length224 ft (68.3 m)
Longest span112 ft (34.1 m)
Deck width365 ft (111.3 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic58,000 (2021)
Projected traffic100,630 by 2041
Trucks4%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemYes

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-436(SEMORAN Bl) over I-4 built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR-436(SEMORAN Bl) over I-4 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 2023.

How much traffic does SR-436(SEMORAN Bl) over I-4 carry?

About 58,000 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is SR-436(SEMORAN Bl) over I-4?

The structure is 224 ft (68.3 m) long with a longest span of 112 ft (34.1 m) and a deck 365 ft wide.

Who owns SR-436(SEMORAN Bl) over I-4?

It is owned by the State Highway Agency.