Structure 480123 · Escambia County, FL

Cr399 Bob Sikes SB over Santa Rosa Sound

Carries Cr399 Bob Sikes SB over Santa Rosa Sound, 0.4mi S Of Gulf Breeze Pk.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,645 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

3,645 ft end to end, longest span 195 ft: about 10 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197353 years old
Length3645.0 ft1,111 m
Daily traffic27,500counted 2022
Last inspectedApril 2023every 24 months

Location

StateFlorida
CountyEscambia
Location0.4mi S Of Gulf Breeze Pk
CarriesCr399 Bob Sikes SB
CrossesSanta Rosa Sound
Coordinates30.34815, -87.15358

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length3645.0 ft (1,111 m)
Max Span194.9 ft (59.4 m)
Deck Width35.4 ft (10.8 m)
Deck Area11998.8 sq m
Main Spans3
Year Built1973

Traffic

Avg Daily Traffic27,500 (2022)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number480123

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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