US Bridges

CR-476B over I-75 and Exit Ramp

Fair

Sumter County, Florida · CR-476B over I-75 · Structure no. 180029

Built
1965
60 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
255 ft
4 main spans
Daily traffic
2,200
2021 count
Owner
State
State Highway Agency

About this bridge

CR-476B over I-75 and Exit Ramp is a prestressed concrete stringer/multi-beam or girder carrying CR-476B over I-75 and Exit Ramp in Sumter County, Florida. It was built in 1965, so it is 60 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 2,200 vehicles a day, roughly 18% of them trucks, projected to reach 3,817 by 2042. The structure is 255 ft (77.7 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR-476B
CrossesI-75 and Exit Ramp
LocationCR-476B over I-75
RouteCounty Highway 476B
StateFlorida
Coordinates28.60234, -82.20308
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length255 ft (77.7 m)
Longest span83 ft (25.3 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2021)
Projected traffic3,817 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR-476B over I-75 and Exit Ramp built?

It was built in 1965, making it 60 years old in 2025.

What condition is CR-476B over I-75 and Exit Ramp 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 CR-476B over I-75 and Exit Ramp carry?

About 2,200 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is CR-476B over I-75 and Exit Ramp?

The structure is 255 ft (77.7 m) long with a longest span of 83 ft (25.3 m) and a deck 29 ft wide.

Who owns CR-476B over I-75 and Exit Ramp?

It is owned by the State Highway Agency.