US Bridges

Sandy Ramp Road over Natural Bridge Creek

Fair

Walton County, Florida · 1.82 MI S of CR 54 · Structure no. 604155

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
65 ft
2 main spans
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

Sandy Ramp Road over Natural Bridge Creek is a prestressed concrete slab carrying Sandy Ramp Road over Natural Bridge Creek in Walton County, Florida. It was built in 1999, so it is 26 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 5 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 191 by 2042. The structure is 65 ft (19.7 m) long and 27 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSandy Ramp Road
CrossesNatural Bridge Creek
Location1.82 MI S of CR 54
RouteCounty Highway 0
StateFlorida
Coordinates30.97516, -86.24773
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length65 ft (19.7 m)
Longest span32 ft (9.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic191 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Sandy Ramp Road over Natural Bridge Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Sandy Ramp Road over Natural Bridge 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 March 2023.

How much traffic does Sandy Ramp Road over Natural Bridge Creek carry?

About 110 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sandy Ramp Road over Natural Bridge Creek?

The structure is 65 ft (19.7 m) long with a longest span of 32 ft (9.8 m) and a deck 27 ft wide.

Who owns Sandy Ramp Road over Natural Bridge Creek?

It is owned by the County Highway Agency.