US Bridges

CR-557A over Eagle Ditch

Fair

Polk County, Florida · 1.0MI South of I-4 · Structure no. 160057

Built
1945
80 years old, rebuilt 1978
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
3,200
2023 count
Owner
County
County Highway Agency

About this bridge

CR-557A over Eagle Ditch is a concrete culvert carrying CR-557A over Eagle Ditch in Polk County, Florida. It was built in 1945 and reconstructed in 1978, so it is 80 years old, older 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 5,600 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCR-557A
CrossesEagle Ditch
Location1.0MI South of I-4
RouteCounty Highway 557A
CountyPolk County
StateFlorida
Coordinates28.15569, -81.76522
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating33.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic5,600 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-557A over Eagle Ditch built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1978.

What condition is CR-557A over Eagle Ditch 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 June 2023.

How much traffic does CR-557A over Eagle Ditch carry?

About 3,200 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is CR-557A over Eagle Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns CR-557A over Eagle Ditch?

It is owned by the County Highway Agency.