US Bridges

SR-6 over Withlacoochee River O/F

Fair

Hamilton County, Florida · 0.4 Mi.E.Of Withlacoochee · Structure no. 320017

Built
1950
75 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
525 ft
15 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR-6 over Withlacoochee River O/F is a steel stringer/multi-beam or girder carrying SR-6 over Withlacoochee River O/F in Hamilton County, Florida. It was built in 1950, so it is 75 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 2,000 vehicles a day, roughly 6% of them trucks, projected to reach 3,470 by 2044. The structure is 525 ft (160 m) long and 29 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesSR-6
CrossesWithlacoochee River O/F
Location0.4 Mi.E.Of Withlacoochee
RouteState Highway 6
CountyHamilton County
StateFlorida
Coordinates30.4846, -83.23784
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.9 US tons
Inventory rating22.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans15
Design loadH 15
Structure length525 ft (160 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,470 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed29.2 mi (47 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$144,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-6 over Withlacoochee River O/F built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR-6 over Withlacoochee River O/F 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 October 2023.

How much traffic does SR-6 over Withlacoochee River O/F carry?

About 2,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR-6 over Withlacoochee River O/F?

The structure is 525 ft (160 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns SR-6 over Withlacoochee River O/F?

It is owned by the State Highway Agency.