US Bridges

SR-50 over ST Johns River Relief

Good

Orange County, Florida · SR-50 WB - ST Johns R Rel · Structure no. 750015

Built
1971
54 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
155 ft
5 main spans
Daily traffic
6,150
2022 count
Owner
State
State Highway Agency

About this bridge

SR-50 over ST Johns River Relief is a concrete slab carrying SR-50 over ST Johns River Relief in Orange County, Florida. It was built in 1971, so it is 54 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 6,150 vehicles a day, roughly 7% of them trucks, projected to reach 10,670 by 2044. The structure is 155 ft (47.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR-50
CrossesST Johns River Relief
LocationSR-50 WB - ST Johns R Rel
RouteState Highway 50
StateFlorida
Coordinates28.5417, -80.95072
Functional classRural Principal Arterial - Other

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.6 US tons
Inventory rating44.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length155 ft (47.1 m)
Longest span31 ft (9.4 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,150 (2022)
Projected traffic10,670 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-50 over ST Johns River Relief built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR-50 over ST Johns River Relief 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 September 2023.

How much traffic does SR-50 over ST Johns River Relief carry?

About 6,150 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR-50 over ST Johns River Relief?

The structure is 155 ft (47.1 m) long with a longest span of 31 ft (9.4 m) and a deck 42 ft wide.

Who owns SR-50 over ST Johns River Relief?

It is owned by the State Highway Agency.