US Bridges

Bardin RD (CR309D) over Etonia Creek

Good

Putnam County, Florida · 2.6 MI N of SR 100 · Structure no. 764007

Built
1960
65 years old, rebuilt 2021
Condition
Good
inspected February 2025
Type
Slab
Prestressed Concrete
Length
107 ft
2 main spans
Daily traffic
2,500
2023 count
Owner
County
County Highway Agency

About this bridge

Bardin RD (CR309D) over Etonia Creek is a prestressed concrete slab carrying Bardin RD (CR309D) over Etonia Creek in Putnam County, Florida. It was built in 1960 and reconstructed in 2021, 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 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 2,500 vehicles a day, roughly 11% of them trucks, projected to reach 4,338 by 2042. The structure is 107 ft (32.6 m) long and 43 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesBardin RD (CR309D)
CrossesEtonia Creek
Location2.6 MI N of SR 100
RouteCounty Highway 309D
StateFlorida
Coordinates29.71694, -81.72528
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating74.5 US tons
Inventory rating38.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length107 ft (32.6 m)
Longest span53 ft (16.3 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic4,338 by 2042
Trucks11%
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 1960, making it 65 years old in 2025. It was reconstructed in 2021.

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

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

About 2,500 vehicles per day (2023 count), of which roughly 11% are trucks.

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

The structure is 107 ft (32.6 m) long with a longest span of 53 ft (16.3 m) and a deck 43 ft wide.

Who owns Bardin RD (CR309D) over Etonia Creek?

It is owned by the County Highway Agency.