US Bridges

SR-408 over Summerlin Avenue

Good

Orange County, Florida · SR-408 Summerlin Ave · Structure no. 750242

Built
1973
52 years old, rebuilt 2007
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
187,000
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-408 over Summerlin Avenue is a prestressed concrete stringer/multi-beam or girder carrying SR-408 over Summerlin Avenue in Orange County, Florida. It was built in 1973 and reconstructed in 2007, so it is 52 years old, older 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 187,000 vehicles a day, roughly 3% of them trucks, projected to reach 324,445 by 2044. The structure is 166 ft (50.6 m) long and 174 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesSR-408
CrossesSummerlin Avenue
LocationSR-408 Summerlin Ave
RouteState Highway 408
CountyOrange County
StateFlorida
Coordinates28.53704, -81.36839
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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span94 ft (28.7 m)
Deck width174 ft (53.1 m)
Roadway width155 ft (47.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic187,000 (2022)
Projected traffic324,445 by 2044
Trucks3%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed18 mi (29 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-408 over Summerlin Avenue built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2007.

What condition is SR-408 over Summerlin Avenue 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 2023.

How much traffic does SR-408 over Summerlin Avenue carry?

About 187,000 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR-408 over Summerlin Avenue?

The structure is 166 ft (50.6 m) long with a longest span of 94 ft (28.7 m) and a deck 174 ft wide.

Who owns SR-408 over Summerlin Avenue?

It is owned by the State Toll Authority.