US Bridges

Beneficial Drive over Garrison Channel

Good

Hillsborough County, Florida · 0.2MI S of Channelside DR · Structure no. 105628

Built
1984
41 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
529 ft
7 main spans
Daily traffic
5,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Beneficial Drive over Garrison Channel is a prestressed concrete stringer/multi-beam or girder carrying Beneficial Drive over Garrison Channel in Hillsborough County, Florida. It was built in 1984, so it is 41 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 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 5,000 vehicles a day, roughly 12% of them trucks, projected to reach 8,675 by 2042. The structure is 529 ft (161.2 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBeneficial Drive
CrossesGarrison Channel
Location0.2MI S of Channelside DR
RouteCity Street 0
StateFlorida
Coordinates27.94128, -82.44959
Functional classUrban Collector

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 protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.5 US tons
Inventory rating24.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length529 ft (161.2 m)
Longest span96 ft (29.4 m)
Deck width73 ft (22.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic8,675 by 2042
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Beneficial Drive over Garrison Channel built?

It was built in 1984, making it 41 years old in 2025.

What condition is Beneficial Drive over Garrison Channel 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 February 2025.

How much traffic does Beneficial Drive over Garrison Channel carry?

About 5,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Beneficial Drive over Garrison Channel?

The structure is 529 ft (161.2 m) long with a longest span of 96 ft (29.4 m) and a deck 73 ft wide.

Who owns Beneficial Drive over Garrison Channel?

It is owned by the City or Municipal Highway Agency.