US Bridges

SR-A1A (b.O.Lions) over Matanzas River Iww

Fair

St. Johns County, Florida · In St. Augustine · Structure no. 780074

Built
1927
98 years old, rebuilt 2010
Condition
Fair
inspected February 2024
Type
Movable - Bascule
Steel
Length
1,545 ft
1 main span
Daily traffic
18,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR-A1A (b.O.Lions) over Matanzas River Iww is a steel movable - bascule carrying SR-A1A (b.O.Lions) over Matanzas River Iww in St. Johns County, Florida. It was built in 1927 and reconstructed in 2010, so it is 98 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 18,500 vehicles a day, roughly 3% of them trucks, projected to reach 32,098 by 2045. The structure is 1,545 ft (470.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-A1A (b.O.Lions)
CrossesMatanzas River Iww
LocationIn St. Augustine
RouteState Highway 0A1A
CountySt. Johns County
StateFlorida
Coordinates29.89291, -81.30739
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating62.6 US tons
Inventory rating37.4 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+23 approach)
Design loadHS 20 + Mod
Structure length1,545 ft (470.9 m)
Longest span135 ft (41.1 m)
Deck width40 ft (12.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic18,500 (2023)
Projected traffic32,098 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$350,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-A1A (b.O.Lions) over Matanzas River Iww built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2010.

What condition is SR-A1A (b.O.Lions) over Matanzas River Iww 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 February 2024.

How much traffic does SR-A1A (b.O.Lions) over Matanzas River Iww carry?

About 18,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR-A1A (b.O.Lions) over Matanzas River Iww?

The structure is 1,545 ft (470.9 m) long with a longest span of 135 ft (41.1 m) and a deck 40 ft wide.

Who owns SR-A1A (b.O.Lions) over Matanzas River Iww?

It is owned by the State Highway Agency.