US Bridges

SR39 (buchman Hwy) over Hillsborough River

Good

Pasco County, Florida · 2MILES South of US-301 · Structure no. 140136

Built
2010
15 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
327 ft
7 main spans
Daily traffic
14,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR39 (buchman Hwy) over Hillsborough River is a prestressed concrete slab carrying SR39 (buchman Hwy) over Hillsborough River in Pasco County, Florida. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,500 vehicles a day, roughly 17% of them trucks, projected to reach 25,158 by 2042. The structure is 327 ft (99.8 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR39 (buchman Hwy)
CrossesHillsborough River
Location2MILES South of US-301
RouteState Highway 39
StateFlorida
Coordinates28.19327, -82.16513
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.5 US tons
Inventory rating68.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadHL 93
Structure length327 ft (99.8 m)
Longest span47 ft (14.3 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2024)
Projected traffic25,158 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SR39 (buchman Hwy) over Hillsborough River built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR39 (buchman Hwy) over Hillsborough River 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 2024.

How much traffic does SR39 (buchman Hwy) over Hillsborough River carry?

About 14,500 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SR39 (buchman Hwy) over Hillsborough River?

The structure is 327 ft (99.8 m) long with a longest span of 47 ft (14.3 m) and a deck 48 ft wide.

Who owns SR39 (buchman Hwy) over Hillsborough River?

It is owned by the State Highway Agency.