US Bridges

Port Sutton Road over Gannon Sta Discharge 1

Fair

Hillsborough County, Florida · 1.2MI West of US-41 · Structure no. 104136

Built
1952
73 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
2,000
2023 count
Owner
County
County Highway Agency

About this bridge

Port Sutton Road over Gannon Sta Discharge 1 is a concrete tee beam carrying Port Sutton Road over Gannon Sta Discharge 1 in Hillsborough County, Florida. It was built in 1952, so it is 73 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 2,000 vehicles a day, roughly 40% of them trucks, projected to reach 3,470 by 2042. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPort Sutton Road
CrossesGannon Sta Discharge 1
Location1.2MI West of US-41
RouteCounty Highway 0
CountyHillsborough County
StateFlorida
Coordinates27.90641, -82.4225
Functional classRural Local

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic3,470 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Port Sutton Road over Gannon Sta Discharge 1 built?

It was built in 1952, making it 73 years old in 2025.

What condition is Port Sutton Road over Gannon Sta Discharge 1 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 October 2023.

How much traffic does Port Sutton Road over Gannon Sta Discharge 1 carry?

About 2,000 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is Port Sutton Road over Gannon Sta Discharge 1?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns Port Sutton Road over Gannon Sta Discharge 1?

It is owned by the County Highway Agency.