US Bridges

CR 23A over Barber Bay Slough

Good

Baker County, Florida · 2.9 MI North of US 90 · Structure no. 274151

Built
1999
26 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
2,881
2023 count
Owner
County
County Highway Agency

About this bridge

CR 23A over Barber Bay Slough is a concrete culvert carrying CR 23A over Barber Bay Slough in Baker County, Florida. It was built in 1999, so it is 26 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 2,881 vehicles a day, roughly 8% of them trucks, projected to reach 4,999 by 2042. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 23A
CrossesBarber Bay Slough
Location2.9 MI North of US 90
RouteCounty Highway 23A
CountyBaker County
StateFlorida
Coordinates30.32178, -82.13767
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating21.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,881 (2023)
Projected traffic4,999 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 23A over Barber Bay Slough built?

It was built in 1999, making it 26 years old in 2025.

What condition is CR 23A over Barber Bay Slough 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 September 2023.

How much traffic does CR 23A over Barber Bay Slough carry?

About 2,881 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is CR 23A over Barber Bay Slough?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.5 m).

Who owns CR 23A over Barber Bay Slough?

It is owned by the County Highway Agency.