US Bridges

US-17 (SR-555) over Lk Hartridge/Conine Cnl

Good

Polk County, Florida · 1.4MI Nof SR-544 · Structure no. 160312

Built
2008
17 years old
Condition
Good
inspected February 2025
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
28,000
2025 count
Owner
State
State Highway Agency

About this bridge

US-17 (SR-555) over Lk Hartridge/Conine Cnl is a prestressed concrete slab carrying US-17 (SR-555) over Lk Hartridge/Conine Cnl in Polk County, Florida. It was built in 2008, so it is 17 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 28,000 vehicles a day, roughly 8% of them trucks, projected to reach 48,580 by 2045. The structure is 40 ft (12.2 m) long and 98 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesUS-17 (SR-555)
CrossesLk Hartridge/Conine Cnl
Location1.4MI Nof SR-544
RouteU.S. Route 17
StateFlorida
Coordinates28.06323, -81.73276
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.8 US tons
Inventory rating72.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width98 ft (29.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2025)
Projected traffic48,580 by 2045
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed4.3 mi (7 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-17 (SR-555) over Lk Hartridge/Conine Cnl built?

It was built in 2008, making it 17 years old in 2025.

What condition is US-17 (SR-555) over Lk Hartridge/Conine Cnl 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 February 2025.

How much traffic does US-17 (SR-555) over Lk Hartridge/Conine Cnl carry?

About 28,000 vehicles per day (2025 count), of which roughly 8% are trucks.

How long is US-17 (SR-555) over Lk Hartridge/Conine Cnl?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 98 ft wide.

Who owns US-17 (SR-555) over Lk Hartridge/Conine Cnl?

It is owned by the State Highway Agency.