US Bridges

SR281 Avalon Blvd. over East Bay

Fair

Santa Rosa County, Florida · 0.9 Miles N. of US98 · Structure no. 580174

Built
1999
26 years old
Condition
Fair
inspected April 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
18,425 ft
131 main spans
Daily traffic
6,500
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR281 Avalon Blvd. over East Bay is a prestressed concrete continuous segmental box girder carrying SR281 Avalon Blvd. over East Bay in Santa Rosa County, Florida. It was built in 1999, so it is 26 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 6,500 vehicles a day, roughly 9% of them trucks, projected to reach 6,820 by 2038. The structure is 18,425 ft (5,615.9 m) long and 43 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesSR281 Avalon Blvd.
CrossesEast Bay
Location0.9 Miles N. of US98
RouteState Highway 281
CountySanta Rosa County
StateFlorida
Coordinates30.42067, -87.09052
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating40.3 US tons
Inventory rating30.6 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans131
Design loadHL 93
Structure length18,425 ft (5,615.9 m)
Longest span225 ft (68.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic6,500 (2019)
Projected traffic6,820 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollToll bridge
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR281 Avalon Blvd. over East Bay built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR281 Avalon Blvd. over East Bay 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 April 2023.

How much traffic does SR281 Avalon Blvd. over East Bay carry?

About 6,500 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is SR281 Avalon Blvd. over East Bay?

The structure is 18,425 ft (5,615.9 m) long with a longest span of 225 ft (68.6 m) and a deck 43 ft wide.

Who owns SR281 Avalon Blvd. over East Bay?

It is owned by the State Toll Authority and maintained by the State Highway Agency.