US Bridges

Ramp D1 over Tia Canal

Good

Hillsborough County, Florida · 0.75MI W of CR 587 · Structure no. 100684

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
664 ft
5 main spans
Daily traffic
6,300
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp D1 over Tia Canal is a steel continuous stringer/multi-beam or girder carrying Ramp D1 over Tia Canal in Hillsborough County, Florida. It was built in 2008, so it is 17 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,300 vehicles a day, roughly 8% of them trucks, projected to reach 10,931 by 2044. The structure is 664 ft (202.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRamp D1
CrossesTia Canal
Location0.75MI W of CR 587
RouteState Highway 616
StateFlorida
Coordinates27.96072, -82.53807
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.5 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length664 ft (202.5 m)
Longest span144 ft (44 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2024)
Projected traffic10,931 by 2044
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Ramp D1 over Tia Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is Ramp D1 over Tia Canal 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 2024.

How much traffic does Ramp D1 over Tia Canal carry?

About 6,300 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ramp D1 over Tia Canal?

The structure is 664 ft (202.5 m) long with a longest span of 144 ft (44 m) and a deck 33 ft wide.

Who owns Ramp D1 over Tia Canal?

It is owned by the State Highway Agency.