US Bridges

Thonotosassa Rd. over Baker Creek

Good

Hillsborough County, Florida · 1.2MI W of Mcintosh Rd. · Structure no. 104478

Built
1998
27 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
4,500
2022 count
Owner
County
County Highway Agency

About this bridge

Thonotosassa Rd. over Baker Creek is a concrete continuous slab carrying Thonotosassa Rd. over Baker Creek in Hillsborough County, Florida. It was built in 1998, so it is 27 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 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 3,062 by 2042. The structure is 98 ft (30 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesThonotosassa Rd.
CrossesBaker Creek
Location1.2MI W of Mcintosh Rd.
RouteCounty Highway 580
StateFlorida
Coordinates28.04797, -82.26794
Functional classUrban 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 inspectionJanuary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating59.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length98 ft (30 m)
Longest span33 ft (10.1 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic3,062 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 Thonotosassa Rd. over Baker Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Thonotosassa Rd. over Baker 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 January 2024.

How much traffic does Thonotosassa Rd. over Baker Creek carry?

About 4,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Thonotosassa Rd. over Baker Creek?

The structure is 98 ft (30 m) long with a longest span of 33 ft (10.1 m) and a deck 45 ft wide.

Who owns Thonotosassa Rd. over Baker Creek?

It is owned by the County Highway Agency.