US Bridges

Frostproof Road over Willingham Creek

Fair

Polk County, Florida · 2.9 Miles North of Inters · Structure no. AFFLASPR01091

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
117 ft
8 main spans
Daily traffic
50
2024 count
Owner
Federal
Air Force

About this bridge

Frostproof Road over Willingham Creek is a wood or timber stringer/multi-beam or girder carrying Frostproof Road over Willingham Creek in Polk County, Florida. It was built in 1955, so it is 70 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 50 vehicles a day, projected to reach 60 by 2044. The structure is 117 ft (35.8 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFrostproof Road
CrossesWillingham Creek
Location2.9 Miles North of Inters
StateFlorida
Coordinates27.70364, -81.37347
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating31 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans8
Design loadUnknown
Structure length117 ft (35.8 m)
Longest span15 ft (4.6 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
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 Frostproof Road over Willingham Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Frostproof Road over Willingham Creek 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 January 2024.

How much traffic does Frostproof Road over Willingham Creek carry?

About 50 vehicles per day (2024 count).

How long is Frostproof Road over Willingham Creek?

The structure is 117 ft (35.8 m) long with a longest span of 15 ft (4.6 m) and a deck 17 ft wide.

Who owns Frostproof Road over Willingham Creek?

It is owned by the Air Force.