Structure 600078 · Walton County, FL

CR 30a over Western Lake

Carries CR 30a over Western Lake, 1.7 Mi West Of HWY 395.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating4/9 · Poor
Channelnot part of overall9/9 · Excellent
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 4/9 · sets the rating

30 ft end to end. 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 slab bridge.

Built197056 years old
Length30.2 ft9.2 m
Daily traffic7,900counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateFlorida
CountyWalton
Location1.7 Mi West Of HWY 395
CarriesCR 30a
CrossesWestern Lake
Coordinates30.33046, -86.15124

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length30.2 ft (9.2 m)
Max Span30.2 ft (9.2 m)
Deck Width34.4 ft (10.5 m)
Deck Area96.6 sq m
Main Spans1
Year Built1970

Traffic

Avg Daily Traffic7,900 (2023)
Truck Traffic18%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number600078

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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