US Bridges

Downing Street over Turkey Creek

Good

Hillsborough County, Florida · 0.6MI W/O S Forbes RD · Structure no. 104414

Built
1965
60 years old
Condition
Good
inspected November 2023
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,115
2023 count
Owner
County
County Highway Agency

About this bridge

Downing Street over Turkey Creek is a prestressed concrete channel beam carrying Downing Street over Turkey Creek in Hillsborough County, Florida. It was built in 1965, so it is 60 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 1,115 vehicles a day, roughly 5% of them trucks, projected to reach 1,935 by 2042. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDowning Street
CrossesTurkey Creek
Location0.6MI W/O S Forbes RD
RouteCounty Highway 0
StateFlorida
Coordinates27.99255, -82.19706
Functional classRural Major 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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.9 US tons
Inventory rating43.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,115 (2023)
Projected traffic1,935 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Downing Street over Turkey Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Downing Street over Turkey Creek 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 November 2023.

How much traffic does Downing Street over Turkey Creek carry?

About 1,115 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Downing Street over Turkey Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns Downing Street over Turkey Creek?

It is owned by the County Highway Agency.