US Bridges

County Line Road over Branch of Charlie Creek

Fair

Polk County, Florida · 10.5MI East of US 17 · Structure no. 164309

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Prestressed Concrete
Length
50 ft
2 main spans
Daily traffic
500
2023 count
Owner
County
County Highway Agency

About this bridge

County Line Road over Branch of Charlie Creek is a prestressed concrete channel beam carrying County Line Road over Branch of Charlie 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 500 vehicles a day, roughly 12% of them trucks, projected to reach 868 by 2042. The structure is 50 ft (15.1 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty Line Road
CrossesBranch of Charlie Creek
Location10.5MI East of US 17
RouteCounty Highway 0
CountyPolk County
StateFlorida
Coordinates27.64645, -81.64891
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating53.6 US tons
Inventory rating29.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length50 ft (15.1 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic868 by 2042
Trucks12%
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 County Line Road over Branch of Charlie Creek built?

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

What condition is County Line Road over Branch of Charlie 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 July 2023.

How much traffic does County Line Road over Branch of Charlie Creek carry?

About 500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is County Line Road over Branch of Charlie Creek?

The structure is 50 ft (15.1 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns County Line Road over Branch of Charlie Creek?

It is owned by the County Highway Agency.