US Bridges

CR 30A over Alligator Creek

Good

Walton County, Florida · 1.67 MI East of CR 83 · Structure no. 604238

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
6,100
2022 count
Owner
County
County Highway Agency

About this bridge

CR 30A over Alligator Creek is a concrete channel beam carrying CR 30A over Alligator Creek in Walton County, Florida. It was built in 2021, so it is 4 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,100 vehicles a day, roughly 6% of them trucks, projected to reach 10,583 by 2042. The structure is 40 ft (12.2 m) long and 51 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 30A
CrossesAlligator Creek
Location1.67 MI East of CR 83
RouteCounty Highway 30A
CountyWalton County
StateFlorida
Coordinates30.33697, -86.17364
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width51 ft (15.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2022)
Projected traffic10,583 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 30A over Alligator Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is CR 30A over Alligator Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does CR 30A over Alligator Creek carry?

About 6,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is CR 30A over Alligator Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 51 ft wide.

Who owns CR 30A over Alligator Creek?

It is owned by the County Highway Agency.