US Bridges

SR 570 Polk EB 0.5 over CR 542 & CSX Railroad

Good

Polk County, Florida · 0.4 MI S of I-4 West Int · Structure no. 160243

Built
1998
27 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
226 ft
2 main spans
Daily traffic
18,100
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 570 Polk EB 0.5 over CR 542 & CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR 570 Polk EB 0.5 over CR 542 & CSX Railroad in Polk County, Florida. It was built in 1998, so it is 27 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 18,100 vehicles a day, roughly 15% of them trucks, projected to reach 31,404 by 2044. The structure is 226 ft (69 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 570 Polk EB 0.5
CrossesCR 542 & CSX Railroad
Location0.4 MI S of I-4 West Int
RouteState Highway 570
StateFlorida
Coordinates28.02939, -82.0402
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length226 ft (69 m)
Longest span124 ft (37.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,100 (2022)
Projected traffic31,404 by 2044
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 570 Polk EB 0.5 over CR 542 & CSX Railroad built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR 570 Polk EB 0.5 over CR 542 & 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 May 2024.

How much traffic does SR 570 Polk EB 0.5 over CR 542 & CSX Railroad carry?

About 18,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is SR 570 Polk EB 0.5 over CR 542 & CSX Railroad?

The structure is 226 ft (69 m) long with a longest span of 124 ft (37.9 m) and a deck 43 ft wide.

Who owns SR 570 Polk EB 0.5 over CR 542 & CSX Railroad?

It is owned by the State Toll Authority.