US Bridges

SR-618 EB & Ramps over Hills Rvr & Downtown Tpa

Good

Hillsborough County, Florida · Btwn Bayshore & 19th · Structure no. 100333

Built
1975
50 years old, rebuilt 1981
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
9,837 ft
1 main span
Daily traffic
25,500
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-618 EB & Ramps over Hills Rvr & Downtown Tpa is a steel stringer/multi-beam or girder carrying SR-618 EB & Ramps over Hills Rvr & Downtown Tpa in Hillsborough County, Florida. It was built in 1975 and reconstructed in 1981, 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 25,500 vehicles a day, roughly 9% of them trucks, projected to reach 44,242 by 2042. The structure is 9,837 ft (2,998.3 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSR-618 EB & Ramps
CrossesHills Rvr & Downtown Tpa
LocationBtwn Bayshore & 19th
RouteState Highway 618
CountyHillsborough County
StateFlorida
Coordinates27.94293, -82.4589
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.7 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+131 approach)
Design loadHS 20 + Mod
Structure length9,837 ft (2,998.3 m)
Longest span161 ft (49.1 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic25,500 (2023)
Projected traffic44,242 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-618 EB & Ramps over Hills Rvr & Downtown Tpa built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1981.

What condition is SR-618 EB & Ramps over Hills Rvr & Downtown Tpa 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 August 2023.

How much traffic does SR-618 EB & Ramps over Hills Rvr & Downtown Tpa carry?

About 25,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR-618 EB & Ramps over Hills Rvr & Downtown Tpa?

The structure is 9,837 ft (2,998.3 m) long with a longest span of 161 ft (49.1 m) and a deck 44 ft wide.

Who owns SR-618 EB & Ramps over Hills Rvr & Downtown Tpa?

It is owned by the State Toll Authority.