US Bridges

SR-39 over Blackwater Creek

Fair

Hillsborough County, Florida · 7.0 MI North of I-4 · Structure no. 100646

Built
2002
23 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
206 ft
6 main spans
Daily traffic
13,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR-39 over Blackwater Creek is a concrete continuous slab carrying SR-39 over Blackwater Creek in Hillsborough County, Florida. It was built in 2002, so it is 23 years old, younger 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 13,000 vehicles a day, roughly 11% of them trucks, projected to reach 22,555 by 2046. The structure is 206 ft (62.8 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR-39
CrossesBlackwater Creek
Location7.0 MI North of I-4
RouteState Highway 39
CountyHillsborough County
StateFlorida
Coordinates28.13981, -82.14972
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length206 ft (62.8 m)
Longest span36 ft (11 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2024)
Projected traffic22,555 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 SR-39 over Blackwater Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR-39 over Blackwater Creek 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 July 2024.

How much traffic does SR-39 over Blackwater Creek carry?

About 13,000 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SR-39 over Blackwater Creek?

The structure is 206 ft (62.8 m) long with a longest span of 36 ft (11 m) and a deck 47 ft wide.

Who owns SR-39 over Blackwater Creek?

It is owned by the State Highway Agency.