US Bridges

Nelson Road over Alaqua Creek

Fair

Walton County, Florida · 1.5MI S of Corbin Gainey · Structure no. 604180

Built
2003
22 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Concrete
Length
239 ft
7 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Nelson Road over Alaqua Creek is a concrete channel beam carrying Nelson Road over Alaqua Creek in Walton County, Florida. It was built in 2003, so it is 22 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 50 vehicles a day, projected to reach 87 by 2042. The structure is 239 ft (72.7 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNelson Road
CrossesAlaqua Creek
Location1.5MI S of Corbin Gainey
RouteCounty Highway 0
StateFlorida
Coordinates30.66916, -86.18655
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length239 ft (72.7 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic87 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Nelson Road over Alaqua Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nelson Road over Alaqua 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 February 2025.

How much traffic does Nelson Road over Alaqua Creek carry?

About 50 vehicles per day (2023 count).

How long is Nelson Road over Alaqua Creek?

The structure is 239 ft (72.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Nelson Road over Alaqua Creek?

It is owned by the County Highway Agency.