US Bridges

Bardin RD (CR309D) over Etonia Creek

Fair

Putnam County, Florida · 2.5 MI North of SR 100 · Structure no. 764032

Built
1974
51 years old
Condition
Fair
inspected February 2025
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
57 ft
4 main spans
Daily traffic
2,500
2023 count
Owner
County
County Highway Agency

About this bridge

Bardin RD (CR309D) over Etonia Creek is a aluminum, wrought iron, or cast iron culvert carrying Bardin RD (CR309D) over Etonia Creek in Putnam County, Florida. It was built in 1974, so it is 51 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 6 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 2,500 vehicles a day, roughly 6% of them trucks, projected to reach 4,338 by 2042. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesBardin RD (CR309D)
CrossesEtonia Creek
Location2.5 MI North of SR 100
RouteCounty Highway 309D
CountyPutnam County
StateFlorida
Coordinates29.715, -81.725
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans4
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic4,338 by 2042
Trucks6%
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 Bardin RD (CR309D) over Etonia Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Bardin RD (CR309D) over Etonia 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 February 2025.

How much traffic does Bardin RD (CR309D) over Etonia Creek carry?

About 2,500 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Bardin RD (CR309D) over Etonia Creek?

The structure is 57 ft (17.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Bardin RD (CR309D) over Etonia Creek?

It is owned by the County Highway Agency.