US Bridges

CR 30A over Big Redfish Lake

Fair

Walton County, Florida · 0.22MI E of CR 83 · Structure no. 604243

Built
2021
4 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
69 ft
2 main spans
Daily traffic
6,100
2022 count
Owner
County
County Highway Agency

About this bridge

CR 30A over Big Redfish Lake is a concrete channel beam carrying CR 30A over Big Redfish Lake 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 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 6,100 vehicles a day, roughly 6% of them trucks, projected to reach 10,584 by 2042. The structure is 69 ft (20.9 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 30A
CrossesBig Redfish Lake
Location0.22MI E of CR 83
RouteCounty Highway 30
CountyWalton County
StateFlorida
Coordinates30.3405, -86.19711
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length69 ft (20.9 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2022)
Projected traffic10,584 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 Big Redfish Lake built?

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

What condition is CR 30A over Big Redfish Lake 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 October 2023.

How much traffic does CR 30A over Big Redfish Lake carry?

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

How long is CR 30A over Big Redfish Lake?

The structure is 69 ft (20.9 m) long with a longest span of 34 ft (10.4 m) and a deck 35 ft wide.

Who owns CR 30A over Big Redfish Lake?

It is owned by the County Highway Agency.