US Bridges

US-27 (SR-25) over Black Hills Canal

Fair

Polk County, Florida · 0.6 Mi. South of US-92 · Structure no. 160151

Built
1965
60 years old, rebuilt 1984
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
56,000
2024 count
Owner
State
State Highway Agency

About this bridge

US-27 (SR-25) over Black Hills Canal is a concrete culvert carrying US-27 (SR-25) over Black Hills Canal in Polk County, Florida. It was built in 1965 and reconstructed in 1984, so it is 60 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 56,000 vehicles a day, roughly 10% of them trucks, projected to reach 97,160 by 2046. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 4.3 mi (7 km).

CarriesUS-27 (SR-25)
CrossesBlack Hills Canal
Location0.6 Mi. South of US-92
RouteU.S. Route 27
StateFlorida
Coordinates28.09925, -81.64627
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating35.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,000 (2024)
Projected traffic97,160 by 2046
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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-27 (SR-25) over Black Hills Canal built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1984.

What condition is US-27 (SR-25) over Black Hills 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 February 2024.

How much traffic does US-27 (SR-25) over Black Hills Canal carry?

About 56,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US-27 (SR-25) over Black Hills Canal?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US-27 (SR-25) over Black Hills Canal?

It is owned by the State Highway Agency.