Structure 100380 · Hillsborough County, FL

Morris Brg. Rd. SB over Tampa Bypass Canal 135

Carries Morris Brg. Rd. SB over Tampa Bypass Canal 135, 0.6mi East Of I-75.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT466 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

466 ft end to end, longest span 47 ft: about 6 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.

Built197947 years old
Length465.9 ft142 m
Daily traffic7,050counted 2024
Last inspectedJanuary 2024every 24 months

Location

StateFlorida
CountyHillsborough
Location0.6mi East Of I-75
CarriesMorris Brg. Rd. SB
CrossesTampa Bypass Canal 135
Coordinates28.07344, -82.34618

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length465.9 ft (142 m)
Max Span46.9 ft (14.3 m)
Deck Width43.0 ft (13.1 m)
Deck Area1860.2 sq m
Main Spans10
Year Built1979

Traffic

Avg Daily Traffic7,050 (2024)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number100380

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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