US Bridges

SR-A1A over Iww Halifax River

Fair

Volusia County, Florida · SR-A1A over Halifax River · Structure no. 790148

Built
1990
35 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,002 ft
3 main spans
Daily traffic
26,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-A1A over Iww Halifax River is a steel continuous stringer/multi-beam or girder carrying SR-A1A over Iww 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 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 26,500 vehicles a day, roughly 4% of them trucks, projected to reach 45,978 by 2044. The structure is 2,002 ft (610.2 m) long and 91 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesSR-A1A
CrossesIww Halifax River
LocationSR-A1A over Halifax River
RouteState Highway 0A1A
CountyVolusia County
StateFlorida
Coordinates29.14826, -80.97548
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadHS 20
Structure length2,002 ft (610.2 m)
Longest span210 ft (64 m)
Deck width91 ft (27.6 m)
Roadway width78 ft (23.8 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
CrossesHighway and 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$331,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-A1A over Iww Halifax River built?

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

What condition is SR-A1A over Iww 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 June 2023.

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

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

How long is SR-A1A over Iww Halifax River?

The structure is 2,002 ft (610.2 m) long with a longest span of 210 ft (64 m) and a deck 91 ft wide.

Who owns SR-A1A over Iww Halifax River?

It is owned by the State Highway Agency.