Structure 100700 · Hillsborough County, FL

I-275 SB (sr-93) over Howard Ave.

Carries I-275 SB (sr-93) over Howard Ave., 2.2mi West Of I-4.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT137 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

137 ft end to end. 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.

Built201412 years old
Length137.5 ft41.9 m
Daily traffic113,000counted 2023
Last inspectedApril 2023every 24 months

Location

StateFlorida
CountyHillsborough
Location2.2mi West Of I-4
CarriesI-275 SB (sr-93)
CrossesHoward Ave.
Coordinates27.95622, -82.48294

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length137.5 ft (41.9 m)
Max Span137.5 ft (41.9 m)
Deck Width75.1 ft (22.9 m)
Deck Area959.5 sq m
Main Spans1
Year Built2014

Traffic

Avg Daily Traffic113,000 (2023)
Truck Traffic7%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number100700

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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