US Bridges

Dean Still Rd. over Brown Creek

Fair

Polk County, Florida · 1.6 MI East of SR-33 · Structure no. 164151

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Prestressed Concrete
Length
40 ft
2 main spans
Daily traffic
4,400
2023 count
Owner
County
County Highway Agency

About this bridge

Dean Still Rd. over Brown Creek is a prestressed concrete channel beam carrying Dean Still Rd. over Brown 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.

It carries about 4,400 vehicles a day, roughly 27% of them trucks, projected to reach 7,634 by 2042. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesDean Still Rd.
CrossesBrown Creek
Location1.6 MI East of SR-33
RouteCounty Highway 0
CountyPolk County
StateFlorida
Coordinates28.25861, -81.79857
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating30.8 US tons
Inventory rating23.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadUnknown
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 traffic4,400 (2023)
Projected traffic7,634 by 2042
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Brown Creek built?

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

What condition is Dean Still Rd. over Brown 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 May 2023.

How much traffic does Dean Still Rd. over Brown Creek carry?

About 4,400 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is Dean Still Rd. over Brown Creek?

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 Brown Creek?

It is owned by the County Highway Agency.