US Bridges

US-90 (SR-10) over Aucilla River

Fair

Madison County, Florida · On the Madison Co. Line · Structure no. 350001

Built
1928
97 years old, rebuilt 1954
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
297 ft
12 main spans
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

US-90 (SR-10) over Aucilla River is a concrete tee beam carrying US-90 (SR-10) over Aucilla River in Madison County, Florida. It was built in 1928 and reconstructed in 1954, so it is 97 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.

It carries about 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 3,123 by 2045. The structure is 297 ft (90.5 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS-90 (SR-10)
CrossesAucilla River
LocationOn the Madison Co. Line
RouteU.S. Route 90
CountyMadison County
StateFlorida
Coordinates30.49222, -83.73083
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadUnknown
Structure length297 ft (90.5 m)
Longest span33 ft (10.1 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic3,123 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US-90 (SR-10) over Aucilla River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1954.

What condition is US-90 (SR-10) over 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 July 2024.

How much traffic does US-90 (SR-10) over Aucilla River carry?

About 1,800 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US-90 (SR-10) over Aucilla River?

The structure is 297 ft (90.5 m) long with a longest span of 33 ft (10.1 m) and a deck 34 ft wide.

Who owns US-90 (SR-10) over Aucilla River?

It is owned by the State Highway Agency.