US Bridges

CR-17A over Gatorhog Canal

Fair

Polk County, Florida · 1.0MI East of CR-557 · Structure no. 160111

Built
1966
59 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
6,300
2023 count
Owner
County
County Highway Agency

About this bridge

CR-17A over Gatorhog Canal is a prestressed concrete stringer/multi-beam or girder carrying CR-17A over Gatorhog Canal in Polk County, Florida. It was built in 1966, so it is 59 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 6,300 vehicles a day, roughly 22% of them trucks, projected to reach 11,025 by 2042. The structure is 120 ft (36.6 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCR-17A
CrossesGatorhog Canal
Location1.0MI East of CR-557
RouteCounty Highway 17A
CountyPolk County
StateFlorida
Coordinates28.16707, -81.71935
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.7 US tons
Inventory rating29.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic11,025 by 2042
Trucks22%
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-17A over Gatorhog Canal built?

It was built in 1966, making it 59 years old in 2025.

What condition is CR-17A over Gatorhog Canal 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-17A over Gatorhog Canal carry?

About 6,300 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is CR-17A over Gatorhog Canal?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns CR-17A over Gatorhog Canal?

It is owned by the County Highway Agency.