US Bridges

SR618 EB Ramp C over US92/SR-600 Dale Mbryhwy

Fair

Hillsborough County, Florida · 0.2 MI E/O Gandy Blvd · Structure no. 100307

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
384 ft
4 main spans
Daily traffic
19,750
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR618 EB Ramp C over US92/SR-600 Dale Mbryhwy is a prestressed concrete stringer/multi-beam or girder carrying SR618 EB Ramp C over US92/SR-600 Dale Mbryhwy 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19,750 vehicles a day, roughly 9% of them trucks, projected to reach 34,266 by 2044. The structure is 384 ft (117.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR618 EB Ramp C
CrossesUS92/SR-600 Dale Mbryhwy
Location0.2 MI E/O Gandy Blvd
RouteState Highway 618
StateFlorida
Coordinates27.89594, -82.50632
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 rating48 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length384 ft (117.1 m)
Longest span107 ft (32.7 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,750 (2022)
Projected traffic34,266 by 2044
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 EB Ramp C over US92/SR-600 Dale Mbryhwy built?

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

What condition is SR618 EB Ramp C over US92/SR-600 Dale Mbryhwy in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does SR618 EB Ramp C over US92/SR-600 Dale Mbryhwy carry?

About 19,750 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR618 EB Ramp C over US92/SR-600 Dale Mbryhwy?

The structure is 384 ft (117.1 m) long with a longest span of 107 ft (32.7 m) and a deck 39 ft wide.

Who owns SR618 EB Ramp C over US92/SR-600 Dale Mbryhwy?

It is owned by the State Toll Authority.