US Bridges

CR399/COUNTRY Mill over Juniper Creek

Fair

Santa Rosa County, Florida · 0.65 MI East of CR 164 · Structure no. 580083

Built
1901
124 years old, rebuilt 1960
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

CR399/COUNTRY Mill over Juniper Creek is a concrete culvert carrying CR399/COUNTRY Mill over Juniper Creek in Santa Rosa County, Florida. It was built in 1901 and reconstructed in 1960, so it is 124 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 10% of them trucks, projected to reach 868 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCR399/COUNTRY Mill
CrossesJuniper Creek
Location0.65 MI East of CR 164
RouteCounty Highway 399
CountySanta Rosa County
StateFlorida
Coordinates30.88542, -87.08089
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: 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 rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic868 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR399/COUNTRY Mill over Juniper Creek built?

It was built in 1901, making it 124 years old in 2025. It was reconstructed in 1960.

What condition is CR399/COUNTRY Mill over Juniper 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 2024.

How much traffic does CR399/COUNTRY Mill over Juniper Creek carry?

About 500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CR399/COUNTRY Mill over Juniper Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.2 m).

Who owns CR399/COUNTRY Mill over Juniper Creek?

It is owned by the County Highway Agency.