US Bridges

CR 315 over Burnt Bridge Brook

Fair

Putnam County, Florida · 6.8 MI South of SR 20 · Structure no. 764015

Built
1947
78 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
2,400
2023 count
Owner
County
County Highway Agency

About this bridge

CR 315 over Burnt Bridge Brook is a concrete culvert carrying CR 315 over Burnt Bridge Brook in Putnam County, Florida. It was built in 1947, so it is 78 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 2,400 vehicles a day, roughly 11% of them trucks, projected to reach 4,164 by 2042. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 315
CrossesBurnt Bridge Brook
Location6.8 MI South of SR 20
RouteCounty Highway 315
CountyPutnam County
StateFlorida
Coordinates29.53556, -81.88389
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 evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating34.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length28 ft (8.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic4,164 by 2042
Trucks11%
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 CR 315 over Burnt Bridge Brook built?

It was built in 1947, making it 78 years old in 2025.

What condition is CR 315 over Burnt Bridge Brook 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 CR 315 over Burnt Bridge Brook carry?

About 2,400 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is CR 315 over Burnt Bridge Brook?

The structure is 28 ft (8.6 m) long with a longest span of 10 ft (3 m).

Who owns CR 315 over Burnt Bridge Brook?

It is owned by the County Highway Agency.