US Bridges

US-98 (SR-700) over Hillsborough River

Good

Pasco County, Florida · 1.5MI N of CR-54 · Structure no. 140024

Built
1951
74 years old, rebuilt 1995
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
4 main spans
Daily traffic
5,700
2025 count
Owner
State
State Highway Agency

About this bridge

US-98 (SR-700) over Hillsborough River is a steel stringer/multi-beam or girder carrying US-98 (SR-700) over Hillsborough River in Pasco County, Florida. It was built in 1951 and reconstructed in 1995, so it is 74 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 5,700 vehicles a day, roughly 5% of them trucks, projected to reach 9,890 by 2045. The structure is 200 ft (61 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-98 (SR-700)
CrossesHillsborough River
Location1.5MI N of CR-54
RouteState Highway 98
StateFlorida
Coordinates28.27174, -82.09807
Functional classRural Principal Arterial - Other

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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2025)
Projected traffic9,890 by 2045
Trucks5%
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 US-98 (SR-700) over Hillsborough River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1995.

What condition is US-98 (SR-700) 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 2025.

How much traffic does US-98 (SR-700) over Hillsborough River carry?

About 5,700 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is US-98 (SR-700) over Hillsborough River?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns US-98 (SR-700) over Hillsborough River?

It is owned by the State Highway Agency.