US Bridges

SR-408 EB over Mercado Ave

Good

Orange County, Florida · SR-408 EB - Mercado Ave · Structure no. 750249

Built
1973
52 years old, rebuilt 2009
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
83,750
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-408 EB over Mercado Ave is a prestressed concrete stringer/multi-beam or girder carrying SR-408 EB over Mercado Ave in Orange County, Florida. It was built in 1973 and reconstructed in 2009, 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 83,750 vehicles a day, roughly 3% of them trucks, projected to reach 145,306 by 2044. The structure is 137 ft (41.8 m) long and 112 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR-408 EB
CrossesMercado Ave
LocationSR-408 EB - Mercado Ave
RouteState Highway 408
CountyOrange County
StateFlorida
Coordinates28.53941, -81.31426
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span57 ft (17.4 m)
Deck width112 ft (34.1 m)
Roadway width109 ft (33.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,750 (2022)
Projected traffic145,306 by 2044
Trucks3%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

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 EB over Mercado Ave built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2009.

What condition is SR-408 EB over Mercado Ave 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 EB over Mercado Ave carry?

About 83,750 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR-408 EB over Mercado Ave?

The structure is 137 ft (41.8 m) long with a longest span of 57 ft (17.4 m) and a deck 112 ft wide.

Who owns SR-408 EB over Mercado Ave?

It is owned by the State Toll Authority.