US Bridges

Sand Pine Road over Unknown Creek

FairPosted for load

Clay County, Florida · 0.9 Mi. W. of E. Boundary · Structure no. 710155

Built
2020
5 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
101 ft
9 main spans
Daily traffic
41
2024 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Sand Pine Road over Unknown Creek is a wood or timber stringer/multi-beam or girder carrying Sand Pine Road over Unknown Creek in Clay County, Florida. It was built in 2020, so it is 5 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. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, roughly 20% of them trucks, projected to reach 61 by 2046. The structure is 101 ft (30.8 m) long and 20 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesSand Pine Road
CrossesUnknown Creek
Location0.9 Mi. W. of E. Boundary
RouteState Lands Road 0
CountyClay County
StateFlorida
Coordinates29.83953, -81.86589
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.5 US tons
Inventory rating9.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans9
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span11 ft (3.4 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2024)
Projected traffic61 by 2046
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Sand Pine Road over Unknown Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Sand Pine Road over Unknown Creek 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 2024.

How much traffic does Sand Pine Road over Unknown Creek carry?

About 41 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Sand Pine Road over Unknown Creek?

The structure is 101 ft (30.8 m) long with a longest span of 11 ft (3.4 m) and a deck 20 ft wide.

Who owns Sand Pine Road over Unknown Creek?

It is owned by the State Park, Forest, or Reservation Agency.