US Bridges

SR20 over Ochlocknee R Relief

Fair

Liberty County, Florida · 8.2 Miles East of SR65 · Structure no. 560066

Built
1997
28 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

SR20 over Ochlocknee R Relief is a concrete culvert carrying SR20 over Ochlocknee R Relief in Liberty County, Florida. It was built in 1997, so it is 28 years old, younger 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 4,200 vehicles a day, roughly 16% of them trucks, projected to reach 7,287 by 2044. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR20
CrossesOchlocknee R Relief
Location8.2 Miles East of SR65
RouteState Highway 20
StateFlorida
Coordinates30.38762, -84.66144
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length32 ft (9.7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic7,287 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

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 SR20 over Ochlocknee R Relief built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR20 over Ochlocknee R Relief 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 November 2024.

How much traffic does SR20 over Ochlocknee R Relief carry?

About 4,200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is SR20 over Ochlocknee R Relief?

The structure is 32 ft (9.7 m) long with a longest span of 11 ft (3.3 m).

Who owns SR20 over Ochlocknee R Relief?

It is owned by the State Highway Agency.