US Bridges

Race Track RD over Double Branch Creek

Good

Hillsborough County, Florida · 1MI S of S Mobley · Structure no. 104604

Built
2006
19 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
25,000
2023 count
Owner
County
County Highway Agency

About this bridge

Race Track RD over Double Branch Creek is a concrete continuous slab carrying Race Track RD over Double Branch Creek in Hillsborough County, Florida. It was built in 2006, so it is 19 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 25,000 vehicles a day, roughly 2% of them trucks, projected to reach 31,250 by 2042. The structure is 75 ft (22.9 m) long and 94 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRace Track RD
CrossesDouble Branch Creek
Location1MI S of S Mobley
RouteCounty Highway 0
StateFlorida
Coordinates28.07441, -82.62596
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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating52.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width94 ft (28.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2023)
Projected traffic31,250 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Race Track RD over Double Branch Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Race Track RD over Double Branch 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 March 2023.

How much traffic does Race Track RD over Double Branch Creek carry?

About 25,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Race Track RD over Double Branch Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 94 ft wide.

Who owns Race Track RD over Double Branch Creek?

It is owned by the County Highway Agency.