US Bridges

US-98 WB (SR50 Wb) over Withlacoochee River

Good

Hernando County, Florida · 1.6MI East of I-75 · Structure no. 080011

Built
1972
53 years old, rebuilt 2021
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
22,000
2025 count
Owner
State
State Highway Agency

About this bridge

US-98 WB (SR50 Wb) over Withlacoochee River is a prestressed concrete stringer/multi-beam or girder carrying US-98 WB (SR50 Wb) over Withlacoochee River in Hernando County, Florida. It was built in 1972 and reconstructed in 2021, so it is 53 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 22,000 vehicles a day, roughly 5% of them trucks, projected to reach 38,170 by 2047. The structure is 240 ft (73.2 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-98 WB (SR50 Wb)
CrossesWithlacoochee River
Location1.6MI East of I-75
RouteU.S. Route 98
StateFlorida
Coordinates28.51919, -82.20965
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating45.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span48 ft (14.6 m)
Deck width64 ft (19.6 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2025)
Projected traffic38,170 by 2047
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 WB (SR50 Wb) over Withlacoochee River built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2021.

What condition is US-98 WB (SR50 Wb) over Withlacoochee 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 WB (SR50 Wb) over Withlacoochee River carry?

About 22,000 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is US-98 WB (SR50 Wb) over Withlacoochee River?

The structure is 240 ft (73.2 m) long with a longest span of 48 ft (14.6 m) and a deck 64 ft wide.

Who owns US-98 WB (SR50 Wb) over Withlacoochee River?

It is owned by the State Highway Agency.