Structure 520064 · Holmes County, FL

I10 Sr8 over Sr81

Carries I10 Sr8 over Sr81, 0.8mi. S Of Us90 Sr10.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT188 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

188 ft end to end, longest span 94 ft: about 3 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 multi-beam bridge.

Built197353 years old
Length187.7 ft57.2 m
Daily traffic11,000counted 2022
Last inspectedJune 2023every 24 months

Location

StateFlorida
CountyHolmes
Location0.8mi. S Of Us90 Sr10
CarriesI10 Sr8
CrossesSr81
Coordinates30.71357, -85.93523

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length187.7 ft (57.2 m)
Max Span93.8 ft (28.6 m)
Deck Width43.0 ft (13.1 m)
Deck Area749.3 sq m
Main Spans2
Year Built1973

Traffic

Avg Daily Traffic11,000 (2022)
Truck Traffic34%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number520064

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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