US Bridges

SR-A1A over Halifax River

Fair

Volusia County, Florida · A1A-PORT Orange Relief · Structure no. 790147

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
752 ft
27 main spans
Daily traffic
26,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-A1A over Halifax River is a concrete continuous slab carrying SR-A1A over Halifax River in Volusia County, Florida. It was built in 1990, so it is 35 years old, younger 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 26,500 vehicles a day, roughly 4% of them trucks, projected to reach 45,978 by 2044. The structure is 752 ft (229.2 m) long and 98 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesSR-A1A
CrossesHalifax River
LocationA1A-PORT Orange Relief
RouteState Highway 0A1A
CountyVolusia County
StateFlorida
Coordinates29.14434, -80.98398
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans27
Design loadHS 20
Structure length752 ft (229.2 m)
Longest span28 ft (8.5 m)
Deck width98 ft (29.9 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,500 (2022)
Projected traffic45,978 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$159,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-A1A over Halifax River built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR-A1A over Halifax 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 October 2023.

How much traffic does SR-A1A over Halifax River carry?

About 26,500 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is SR-A1A over Halifax River?

The structure is 752 ft (229.2 m) long with a longest span of 28 ft (8.5 m) and a deck 98 ft wide.

Who owns SR-A1A over Halifax River?

It is owned by the State Highway Agency.