US Bridges

SR618 Selmon EB over South Boulevard

Good

Hillsborough County, Florida · 4.2MI E/O Gandy Blvd · Structure no. 100329

Built
1975
50 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
30,750
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR618 Selmon EB over South Boulevard is a prestressed concrete stringer/multi-beam or girder carrying SR618 Selmon EB over South Boulevard in Hillsborough County, Florida. It was built in 1975, so it is 50 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 30,750 vehicles a day, roughly 8% of them trucks, projected to reach 53,351 by 2044. The structure is 154 ft (46.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR618 Selmon EB
CrossesSouth Boulevard
Location4.2MI E/O Gandy Blvd
RouteState Highway 618
StateFlorida
Coordinates27.94278, -82.46857
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length154 ft (46.9 m)
Longest span85 ft (25.9 m)
Deck width52 ft (15.8 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,750 (2022)
Projected traffic53,351 by 2044
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 SR618 Selmon EB over South Boulevard built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR618 Selmon EB over South Boulevard 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 July 2023.

How much traffic does SR618 Selmon EB over South Boulevard carry?

About 30,750 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SR618 Selmon EB over South Boulevard?

The structure is 154 ft (46.9 m) long with a longest span of 85 ft (25.9 m) and a deck 52 ft wide.

Who owns SR618 Selmon EB over South Boulevard?

It is owned by the State Toll Authority.