US Bridges

Dean Still RD over Drainage Canal

Good

Polk County, Florida · 2.0 MI East of SR-33 · Structure no. 164152

Built
1960
65 years old
Condition
Good
inspected December 2023
Type
Channel Beam
Prestressed Concrete
Length
40 ft
2 main spans
Daily traffic
2,071
2023 count
Owner
County
County Highway Agency

About this bridge

Dean Still RD over Drainage Canal is a prestressed concrete channel beam carrying Dean Still RD over Drainage Canal 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 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 2,071 vehicles a day, roughly 25% of them trucks, projected to reach 3,593 by 2042. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesDean Still RD
CrossesDrainage Canal
Location2.0 MI East of SR-33
RouteCounty Highway 0
StateFlorida
Coordinates28.25858, -81.79074
Functional classRural Local

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.5 US tons
Inventory rating33.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,071 (2023)
Projected traffic3,593 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Dean Still RD over Drainage Canal built?

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

What condition is Dean Still RD over Drainage Canal 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 December 2023.

How much traffic does Dean Still RD over Drainage Canal carry?

About 2,071 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Dean Still RD over Drainage Canal?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Dean Still RD over Drainage Canal?

It is owned by the County Highway Agency.