US Bridges

CR 146 over Little Aucilla River

FairPosted for load

Madison County, Florida · 10 MI North of SR 53 · Structure no. 350022

Built
1963
62 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
700
2023 count
Owner
County
County Highway Agency

About this bridge

CR 146 over Little Aucilla River is a concrete slab carrying CR 146 over Little Aucilla River in Madison County, Florida. It was built in 1963, so it is 62 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 700 vehicles a day, roughly 8% of them trucks, projected to reach 1,215 by 2042. The structure is 100 ft (30.5 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 146
CrossesLittle Aucilla River
Location10 MI North of SR 53
RouteCounty Highway 146
StateFlorida
Coordinates30.59353, -83.52981
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.7 US tons
Inventory rating17.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,215 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 146 over Little Aucilla River built?

It was built in 1963, making it 62 years old in 2025.

What condition is CR 146 over Little Aucilla River 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 December 2023.

How much traffic does CR 146 over Little Aucilla River carry?

About 700 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is CR 146 over Little Aucilla River?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns CR 146 over Little Aucilla River?

It is owned by the County Highway Agency.