US Bridges

SR 464 over CSX Railroad

Good

Marion County, Florida · 0.23MI West of US 301 · Structure no. 360182

Built
2009
16 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
303 ft
3 main spans
Daily traffic
31,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 464 over CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR 464 over CSX Railroad in Marion County, Florida. It was built in 2009, so it is 16 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 31,000 vehicles a day, roughly 16% of them trucks, projected to reach 53,785 by 2045. The structure is 303 ft (92.4 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 464
CrossesCSX Railroad
Location0.23MI West of US 301
RouteState Highway 464
CountyMarion County
StateFlorida
Coordinates29.17168, -82.14451
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length303 ft (92.4 m)
Longest span125 ft (38.1 m)
Deck width86 ft (26.1 m)
Roadway width71 ft (21.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2023)
Projected traffic53,785 by 2045
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 SR 464 over CSX Railroad built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 464 over CSX Railroad 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 December 2024.

How much traffic does SR 464 over CSX Railroad carry?

About 31,000 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SR 464 over CSX Railroad?

The structure is 303 ft (92.4 m) long with a longest span of 125 ft (38.1 m) and a deck 86 ft wide.

Who owns SR 464 over CSX Railroad?

It is owned by the State Highway Agency.