US Bridges

US331 SR187 over Big Swamp Creek

Fair

Walton County, Florida · 8.0 Mi. North of US90 · Structure no. 600111

Built
1989
36 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
170 ft
6 main spans
Daily traffic
3,700
2022 count
Owner
State
State Highway Agency

About this bridge

US331 SR187 over Big Swamp Creek is a concrete slab carrying US331 SR187 over Big Swamp Creek in Walton County, Florida. It was built in 1989, so it is 36 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 3,700 vehicles a day, roughly 12% of them trucks, projected to reach 6,420 by 2044. The structure is 170 ft (51.8 m) long and 47 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesUS331 SR187
CrossesBig Swamp Creek
Location8.0 Mi. North of US90
RouteU.S. Route 331
CountyWalton County
StateFlorida
Coordinates30.82261, -86.21854
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.8 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span30 ft (9 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2022)
Projected traffic6,420 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 US331 SR187 over Big Swamp Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is US331 SR187 over Big Swamp 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 December 2023.

How much traffic does US331 SR187 over Big Swamp Creek carry?

About 3,700 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US331 SR187 over Big Swamp Creek?

The structure is 170 ft (51.8 m) long with a longest span of 30 ft (9 m) and a deck 47 ft wide.

Who owns US331 SR187 over Big Swamp Creek?

It is owned by the State Highway Agency.