Structure 100853 · Hillsborough County, FL

Sr618bto/fromsr618 over Us-92

Carries Sr618bto/fromsr618 over Us-92, 0.1 Mi W/o Dale Mabry.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT813 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

813 ft end to end, longest span 237 ft: about 2.3 football fields. 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 box-beam bridge.

Built20215 years old
Length813.0 ft247.8 m
Daily traffic38,500counted 2023
Last inspectedMarch 2023every 24 months

Location

StateFlorida
CountyHillsborough
Location0.1 Mi W/o Dale Mabry
CarriesSr618bto/fromsr618
CrossesUs-92
Coordinates27.89375, -82.51058

Physical Characteristics

MaterialSteel
DesignBox Beam - Single/Spread
Total Length813.0 ft (247.8 m)
Max Span236.9 ft (72.2 m)
Deck Width92.8 ft (28.3 m)
Deck Area7012.7 sq m
Main Spans4
Year Built2021

Traffic

Avg Daily Traffic38,500 (2023)
Truck Traffic2%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number100853

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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