Structure 474057 · Calhoun County, FL

CR 274 over Chipola River

Carries CR 274 over Chipola River, 3.8 Miles West Of SR 71.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT166 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

166 ft end to end, longest span 135 ft: about 2 semi-trucks nose to tail. 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 deck arch.

Built199729 years old
Length165.7 ft50.5 m
Daily traffic1,700counted 2022
Last inspectedApril 2023every 24 months

Location

StateFlorida
CountyCalhoun
Location3.8 Miles West Of SR 71
CarriesCR 274
CrossesChipola River
Coordinates30.53455, -85.16518

Physical Characteristics

MaterialConcrete Continuous
DesignArch - Deck
Total Length165.7 ft (50.5 m)
Max Span134.5 ft (41 m)
Deck Width34.1 ft (10.4 m)
Deck Area525.2 sq m
Main Spans9
Year Built1997

Traffic

Avg Daily Traffic1,700 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number474057

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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