Structure 574120 · Okaloosa County, FL

County Line Road over Unnamed Branch

Carries County Line Road over Unnamed Branch, 0.9 Mi South Of SR 85.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

30 ft end to end, longest span 15 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.

Built199234 years old
Length30.2 ft9.2 m
Daily traffic25counted 2025
Last inspectedJanuary 2024every 24 months

Location

StateFlorida
CountyOkaloosa
Location0.9 Mi South Of SR 85
CarriesCounty Line Road
CrossesUnnamed Branch
Coordinates30.95301, -86.38875

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length30.2 ft (9.2 m)
Max Span15.4 ft (4.7 m)
Deck Width24.3 ft (7.4 m)
Deck Area68.1 sq m
Main Spans2
Year Built1992

Traffic

Avg Daily Traffic25 (2025)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number574120

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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