US Bridges

SR-575 over Withlacoochee River

Fair

Pasco County, Florida · 2MI E of US-301 · Structure no. 140031

Built
1974
51 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
5 main spans
Daily traffic
650
2025 count
Owner
State
State Highway Agency

About this bridge

SR-575 over Withlacoochee River is a prestressed concrete stringer/multi-beam or girder carrying SR-575 over Withlacoochee River in Pasco County, Florida. It was built in 1974, so it is 51 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 650 vehicles a day, roughly 9% of them trucks, projected to reach 1,128 by 2047. The structure is 250 ft (76.2 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR-575
CrossesWithlacoochee River
Location2MI E of US-301
RouteState Highway 575
StateFlorida
Coordinates28.47608, -82.15598
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2025)
Projected traffic1,128 by 2047
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 SR-575 over Withlacoochee River built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR-575 over Withlacoochee River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does SR-575 over Withlacoochee River carry?

About 650 vehicles per day (2025 count), of which roughly 9% are trucks.

How long is SR-575 over Withlacoochee River?

The structure is 250 ft (76.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns SR-575 over Withlacoochee River?

It is owned by the State Highway Agency.