US Bridges

Keller Rd. over Bowlegs Creek

FairPosted for load

Polk County, Florida · 2.0 Mi. South of US-98 · Structure no. 164311

Built
1960
65 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Prestressed Concrete
Length
73 ft
3 main spans
Daily traffic
240
2025 count
Owner
County
County Highway Agency

About this bridge

Keller Rd. over Bowlegs Creek is a prestressed concrete channel beam carrying Keller Rd. over Bowlegs Creek in Polk County, Florida. It was built in 1960, so it is 65 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 240 vehicles a day, roughly 5% of them trucks, projected to reach 416 by 2045. The structure is 73 ft (22.3 m) long and 25 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

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CarriesKeller Rd.
CrossesBowlegs Creek
Location2.0 Mi. South of US-98
RouteCounty Highway 0
CountyPolk County
StateFlorida
Coordinates27.71862, -81.7606
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.2 US tons
Inventory rating18.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2025)
Projected traffic416 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Keller Rd. over Bowlegs Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Keller Rd. over Bowlegs 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 February 2025.

How much traffic does Keller Rd. over Bowlegs Creek carry?

About 240 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is Keller Rd. over Bowlegs Creek?

The structure is 73 ft (22.3 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns Keller Rd. over Bowlegs Creek?

It is owned by the County Highway Agency.