US Bridges

SR-492 WB over CSX RR

Good

Marion County, Florida · SR-492 WB - CSX RR · Structure no. 360170

Built
1988
37 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
272 ft
3 main spans
Daily traffic
9,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-492 WB over CSX RR is a prestressed concrete stringer/multi-beam or girder carrying SR-492 WB over CSX RR in Marion County, Florida. It was built in 1988, so it is 37 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 9,500 vehicles a day, roughly 12% of them trucks, projected to reach 16,482 by 2044. The structure is 272 ft (82.9 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR-492 WB
CrossesCSX RR
LocationSR-492 WB - CSX RR
RouteState Highway 492
StateFlorida
Coordinates29.19756, -82.13242
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length272 ft (82.9 m)
Longest span100 ft (30.5 m)
Deck width37 ft (11.4 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2022)
Projected traffic16,482 by 2044
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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-492 WB over CSX RR built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR-492 WB over CSX RR 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 January 2025.

How much traffic does SR-492 WB over CSX RR carry?

About 9,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR-492 WB over CSX RR?

The structure is 272 ft (82.9 m) long with a longest span of 100 ft (30.5 m) and a deck 37 ft wide.

Who owns SR-492 WB over CSX RR?

It is owned by the State Highway Agency.