US Bridges

Riverdale Road over Palmetto Creek

Good

Highlands County, Florida · 1.8MI S of E Butler RD · Structure no. 094001

Built
1976
49 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Riverdale Road over Palmetto Creek is a prestressed concrete tee beam carrying Riverdale Road over Palmetto Creek in Highlands County, Florida. It was built in 1976, so it is 49 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 300 vehicles a day, roughly 15% of them trucks, projected to reach 521 by 2044. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiverdale Road
CrossesPalmetto Creek
Location1.8MI S of E Butler RD
RouteCounty Highway 0
StateFlorida
Coordinates27.59848, -81.42009
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating10.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic521 by 2044
Trucks15%
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 Riverdale Road over Palmetto Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Riverdale Road over Palmetto Creek 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 June 2024.

How much traffic does Riverdale Road over Palmetto Creek carry?

About 300 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Riverdale Road over Palmetto Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Riverdale Road over Palmetto Creek?

It is owned by the County Highway Agency.