US Bridges

Duff Road over Fox Branch

Good

Polk County, Florida · 0.2 MI West of US-98 · Structure no. 164170

Built
1987
38 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
9,500
2023 count
Owner
County
County Highway Agency

About this bridge

Duff Road over Fox Branch is a prestressed concrete slab carrying Duff Road over Fox Branch in Polk County, Florida. It was built in 1987, so it is 38 years old, younger 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 9,500 vehicles a day, roughly 13% of them trucks, projected to reach 16,483 by 2042. The structure is 43 ft (13.1 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDuff Road
CrossesFox Branch
Location0.2 MI West of US-98
RouteCounty Highway 0
CountyPolk County
StateFlorida
Coordinates28.13543, -81.97663
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2023)
Projected traffic16,483 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Duff Road over Fox Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Duff Road over Fox Branch 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 Duff Road over Fox Branch carry?

About 9,500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Duff Road over Fox Branch?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 44 ft wide.

Who owns Duff Road over Fox Branch?

It is owned by the County Highway Agency.