US Bridges

Bayside Drive over Salt Marsh

FairPosted for load

Santa Rosa County, Florida · 0.04 MI N of Bayside Blvd · Structure no. 584231

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
6 main spans
Daily traffic
101
2022 count
Owner
County
County Highway Agency

About this bridge

Bayside Drive over Salt Marsh is a prestressed concrete box beam or girders - multiple carrying Bayside Drive over Salt Marsh in Santa Rosa County, Florida. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 101 vehicles a day, roughly 1% of them trucks, projected to reach 175 by 2042. The structure is 120 ft (36.6 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBayside Drive
CrossesSalt Marsh
Location0.04 MI N of Bayside Blvd
RouteCounty Highway 0
StateFlorida
Coordinates30.55697, -87.14072
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating11 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2022)
Projected traffic175 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bayside Drive over Salt Marsh built?

It was built in 1987, making it 38 years old in 2025.

What condition is Bayside Drive over Salt Marsh 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 Bayside Drive over Salt Marsh carry?

About 101 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Bayside Drive over Salt Marsh?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Bayside Drive over Salt Marsh?

It is owned by the County Highway Agency.