US Bridges

CR-557A over I-4 (SR-400)

Fair

Polk County, Florida · 1.5 MI East of SR-559 · Structure no. 160307

Built
2004
21 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
327 ft
2 main spans
Daily traffic
3,200
2024 count
Owner
State
State Highway Agency

About this bridge

CR-557A over I-4 (SR-400) is a prestressed concrete stringer/multi-beam or girder carrying CR-557A over I-4 (SR-400) in Polk County, Florida. It was built in 2004, so it is 21 years old, younger 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 3,200 vehicles a day, roughly 13% of them trucks, projected to reach 5,552 by 2044. The structure is 327 ft (99.8 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR-557A
CrossesI-4 (SR-400)
Location1.5 MI East of SR-559
RouteCounty Highway 557A
CountyPolk County
StateFlorida
Coordinates28.16518, -81.77726
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating22.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length327 ft (99.8 m)
Longest span165 ft (50.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2024)
Projected traffic5,552 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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-557A over I-4 (SR-400) built?

It was built in 2004, making it 21 years old in 2025.

What condition is CR-557A over I-4 (SR-400) 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 August 2024.

How much traffic does CR-557A over I-4 (SR-400) carry?

About 3,200 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is CR-557A over I-4 (SR-400)?

The structure is 327 ft (99.8 m) long with a longest span of 165 ft (50.3 m) and a deck 47 ft wide.

Who owns CR-557A over I-4 (SR-400)?

It is owned by the State Highway Agency.