US Bridges

SR-548 over CSX RR

Good

Polk County, Florida · 0.3 MI East of US-92 · Structure no. 160526

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
1 main span
Daily traffic
17,100
2022 count
Owner
State
State Highway Agency

About this bridge

SR-548 over CSX RR is a prestressed concrete stringer/multi-beam or girder carrying SR-548 over CSX RR in Polk 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,100 vehicles a day, roughly 9% of them trucks, projected to reach 29,668 by 2044. The structure is 155 ft (47.1 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-548
CrossesCSX RR
Location0.3 MI East of US-92
RouteState Highway 548
CountyPolk County
StateFlorida
Coordinates28.04602, -81.96566
Functional classUrban Other Principal 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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating63.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length155 ft (47.1 m)
Longest span155 ft (47.1 m)
Deck width96 ft (29.3 m)
Roadway width62 ft (19 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic17,100 (2022)
Projected traffic29,668 by 2044
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-548 over CSX RR built?

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

What condition is SR-548 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 August 2023.

How much traffic does SR-548 over CSX RR carry?

About 17,100 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR-548 over CSX RR?

The structure is 155 ft (47.1 m) long with a longest span of 155 ft (47.1 m) and a deck 96 ft wide.

Who owns SR-548 over CSX RR?

It is owned by the State Highway Agency.