Structure 584135 · Santa Rosa County, FL

Whitfield Road over Manning Creek

Carries Whitfield Road over Manning Creek, 0.7 Mi West Of Lewis RD.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating3/9 · Serious
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT71 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 3/9 · sets the ratingSubstructure 7/9

71 ft end to end, longest span 16 ft. Lengths and the car 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.

Built199036 years old
Length70.5 ft21.5 m
Daily traffic200counted 2024
Last inspectedDecember 2023every 24 months

Location

StateFlorida
CountySanta Rosa
Location0.7 Mi West Of Lewis RD
CarriesWhitfield Road
CrossesManning Creek
Coordinates30.88170, -87.02788

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length70.5 ft (21.5 m)
Max Span15.7 ft (4.8 m)
Deck Width20.0 ft (6.1 m)
Deck Area131.2 sq m
Main Spans5
Year Built1990

Traffic

Avg Daily Traffic200 (2024)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number584135

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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