US Bridges

SR618 WB & Ramps over Hills Rvr & Downtown Tpa

Good

Hillsborough County, Florida · Between 19th & Bayshore · Structure no. 100332

Built
1975
50 years old, rebuilt 1981
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
9,982 ft
2 main spans
Daily traffic
25,500
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR618 WB & Ramps over Hills Rvr & Downtown Tpa is a steel stringer/multi-beam or girder carrying SR618 WB & 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 2044. The structure is 9,982 ft (3,042.5 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR618 WB & Ramps
CrossesHills Rvr & Downtown Tpa
LocationBetween 19th & Bayshore
RouteState Highway 618
StateFlorida
Coordinates27.94316, -82.45893
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 rating47.5 US tons
Inventory rating36.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+127 approach)
Design loadHS 20 + Mod
Structure length9,982 ft (3,042.5 m)
Longest span198 ft (60.4 m)
Deck width44 ft (13.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic25,500 (2022)
Projected traffic44,242 by 2044
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$330,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR618 WB & 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 SR618 WB & 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 SR618 WB & Ramps over Hills Rvr & Downtown Tpa carry?

About 25,500 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR618 WB & Ramps over Hills Rvr & Downtown Tpa?

The structure is 9,982 ft (3,042.5 m) long with a longest span of 198 ft (60.4 m) and a deck 44 ft wide.

Who owns SR618 WB & Ramps over Hills Rvr & Downtown Tpa?

It is owned by the State Toll Authority.