US Bridges

SR-540 over Lake Ina

Fair

Polk County, Florida · 1.9 MI E/O US-17 · Structure no. 160302

Built
2002
23 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
500 ft
6 main spans
Daily traffic
42,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR-540 over Lake Ina is a prestressed concrete stringer/multi-beam or girder carrying SR-540 over Lake Ina in Polk County, Florida. It was built in 2002, so it is 23 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 42,000 vehicles a day, roughly 4% of them trucks, projected to reach 72,870 by 2044. The structure is 500 ft (152.4 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR-540
CrossesLake Ina
Location1.9 MI E/O US-17
RouteState Highway 540
StateFlorida
Coordinates28.0044, -81.6992
Functional classUrban Other Principal Arterial

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length500 ft (152.4 m)
Longest span83 ft (25.4 m)
Deck width96 ft (29.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,000 (2024)
Projected traffic72,870 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 SR-540 over Lake Ina built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR-540 over Lake Ina 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 July 2024.

How much traffic does SR-540 over Lake Ina carry?

About 42,000 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR-540 over Lake Ina?

The structure is 500 ft (152.4 m) long with a longest span of 83 ft (25.4 m) and a deck 96 ft wide.

Who owns SR-540 over Lake Ina?

It is owned by the State Highway Agency.