US Bridges

SR166 Caverns Rd. over Chipola River

Fair

Jackson County, Florida · 1.4 Mi. N of US90 SR10 · Structure no. 530170

Built
2002
23 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
640 ft
8 main spans
Daily traffic
9,200
2022 count
Owner
State
State Highway Agency

About this bridge

SR166 Caverns Rd. over Chipola River is a prestressed concrete stringer/multi-beam or girder carrying SR166 Caverns Rd. over Chipola River in Jackson County, Florida. It was built in 2002, so it is 23 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 9,200 vehicles a day, roughly 5% of them trucks, projected to reach 15,962 by 2044. The structure is 640 ft (195.1 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR166 Caverns Rd.
CrossesChipola River
Location1.4 Mi. N of US90 SR10
RouteState Highway 166
CountyJackson County
StateFlorida
Coordinates30.79294, -85.22132
Functional classUrban Other Principal 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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length640 ft (195.1 m)
Longest span80 ft (24.4 m)
Deck width50 ft (15.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2022)
Projected traffic15,962 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR166 Caverns Rd. over Chipola River built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR166 Caverns Rd. over Chipola 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 September 2023.

How much traffic does SR166 Caverns Rd. over Chipola River carry?

About 9,200 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SR166 Caverns Rd. over Chipola River?

The structure is 640 ft (195.1 m) long with a longest span of 80 ft (24.4 m) and a deck 50 ft wide.

Who owns SR166 Caverns Rd. over Chipola River?

It is owned by the State Highway Agency.