US Bridges

CR 6 over Suwannee River

FairPosted for load

Columbia County, Florida · 3 MI West of US 441 · Structure no. 290027

Built
1951
74 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
365 ft
3 main spans
Daily traffic
250
2024 count
Owner
County
County Highway Agency

About this bridge

CR 6 over Suwannee River is a steel continuous girder and floorbeam system carrying CR 6 over Suwannee River in Columbia County, Florida. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 4% of them trucks, projected to reach 433 by 2042. The structure is 365 ft (111.3 m) long and 29 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesCR 6
CrossesSuwannee River
Location3 MI West of US 441
RouteCounty Highway 6
StateFlorida
Coordinates30.5075, -82.71667
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating35.5 US tons
Inventory rating19.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadUnknown
Structure length365 ft (111.3 m)
Longest span126 ft (38.4 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic433 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 6 over Suwannee River built?

It was built in 1951, making it 74 years old in 2025.

What condition is CR 6 over Suwannee River 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 March 2024.

How much traffic does CR 6 over Suwannee River carry?

About 250 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CR 6 over Suwannee River?

The structure is 365 ft (111.3 m) long with a longest span of 126 ft (38.4 m) and a deck 29 ft wide.

Who owns CR 6 over Suwannee River?

It is owned by the County Highway Agency.