US Bridges

SR-47 over Cannon Creek

Good

Columbia County, Florida · SR-47 @ CR-242/CANNON Crk · Structure no. 290099

Built
2007
18 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR-47 over Cannon Creek is a concrete culvert carrying SR-47 over Cannon Creek in Columbia County, Florida. It was built in 2007, so it is 18 years old, younger 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 3,800 vehicles a day, roughly 4% of them trucks, projected to reach 6,593 by 2045. The structure is 32 ft (9.7 m) long.

CarriesSR-47
CrossesCannon Creek
LocationSR-47 @ CR-242/CANNON Crk
RouteState Highway 47
StateFlorida
Coordinates30.11411, -82.65802
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.7 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 traffic3,800 (2023)
Projected traffic6,593 by 2045
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-47 over Cannon Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR-47 over Cannon 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 SR-47 over Cannon Creek carry?

About 3,800 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR-47 over Cannon Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m).

Who owns SR-47 over Cannon Creek?

It is owned by the State Highway Agency.