US Bridges

CR 181 over Natural Bridge Creek

PoorPosted for load

Walton County, Florida · 4.3 MI West of SR 83 · Structure no. 600023

Built
1958
67 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
500
2023 count
Owner
County
County Highway Agency

About this bridge

CR 181 over Natural Bridge Creek is a concrete slab carrying CR 181 over Natural Bridge Creek in Walton County, Florida. It was built in 1958, so it is 67 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 20% of them trucks, projected to reach 868 by 2045. The structure is 100 ft (30.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 181
CrossesNatural Bridge Creek
Location4.3 MI West of SR 83
RouteCounty Highway 181
StateFlorida
Coordinates30.98849, -86.20481
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating19.1 US tons
Inventory rating14.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic868 by 2045
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CR 181 over Natural Bridge Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is CR 181 over Natural Bridge Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does CR 181 over Natural Bridge Creek carry?

About 500 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is CR 181 over Natural Bridge Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns CR 181 over Natural Bridge Creek?

It is owned by the County Highway Agency.