US Bridges

CR 257A over Aucilla River Relief

Fair

Jefferson County, Florida · 7.7 MI South of US19/SR20 · Structure no. 540038

Built
1953
72 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
400
2023 count
Owner
County
County Highway Agency

About this bridge

CR 257A over Aucilla River Relief is a concrete culvert carrying CR 257A over Aucilla River Relief in Jefferson County, Florida. It was built in 1953, so it is 72 years old, older 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 5 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 400 vehicles a day, roughly 13% of them trucks, projected to reach 440 by 2043. The structure is 43 ft (13 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCR 257A
CrossesAucilla River Relief
Location7.7 MI South of US19/SR20
RouteCounty Highway 257A
StateFlorida
Coordinates30.27536, -83.8576
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic440 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 257A over Aucilla River Relief built?

It was built in 1953, making it 72 years old in 2025.

What condition is CR 257A over Aucilla River Relief 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 August 2024.

How much traffic does CR 257A over Aucilla River Relief carry?

About 400 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is CR 257A over Aucilla River Relief?

The structure is 43 ft (13 m) long with a longest span of 11 ft (3.4 m).

Who owns CR 257A over Aucilla River Relief?

It is owned by the County Highway Agency.