US Bridges

CR399 Bob Sikes NB over Santa Rosa Sound

Fair

Escambia County, Florida · 0.4MI S of Gulf Breeze Pk · Structure no. 480139

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
3,645 ft
3 main spans
Daily traffic
27,500
2022 count
Owner
Toll Authority
Local Toll Authority

About this bridge

CR399 Bob Sikes NB over Santa Rosa Sound is a prestressed concrete continuous stringer/multi-beam or girder carrying CR399 Bob Sikes NB over Santa Rosa Sound in Escambia County, Florida. It was built in 1973, so it is 52 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 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 27,500 vehicles a day, roughly 4% of them trucks, projected to reach 47,713 by 2042. The structure is 3,645 ft (1,111 m) long and 35 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesCR399 Bob Sikes NB
CrossesSanta Rosa Sound
Location0.4MI S of Gulf Breeze Pk
CountyEscambia County
StateFlorida
Coordinates30.34821, -87.15345
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+44 approach)
Design loadHS 20
Structure length3,645 ft (1,111 m)
Longest span195 ft (59.4 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2022)
Projected traffic47,713 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollToll bridge
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 CR399 Bob Sikes NB over Santa Rosa Sound built?

It was built in 1973, making it 52 years old in 2025.

What condition is CR399 Bob Sikes NB over Santa Rosa Sound 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 CR399 Bob Sikes NB over Santa Rosa Sound carry?

About 27,500 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is CR399 Bob Sikes NB over Santa Rosa Sound?

The structure is 3,645 ft (1,111 m) long with a longest span of 195 ft (59.4 m) and a deck 35 ft wide.

Who owns CR399 Bob Sikes NB over Santa Rosa Sound?

It is owned by the Local Toll Authority.