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I-275 (SR-93) over HILLSBOROUGH RIVER

Map 

Coordinates:
+28.02028, -82.45500
28°01'13" N, 82°27'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-275 (SR-93) over HILLSBOROUGH RIVER
Structure number:100218
Location:1.7 MI NORTH OF US-92
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:60.4 ft. [18.4 m]
Total length:300.2 ft. [91.5 m]
Roadway width between curbs:158.1 ft. [48.2 m]
Deck width edge-to-edge:163.1 ft. [49.7 m]
Vertical clearance below bridge:59.1 ft. [18.0 m]
Skew angle:11°
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2014
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:5
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2014 

Status:Open, no restriction [A]
Average daily traffic:170,800 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:54.6 tons [49.6 metric tons]
Inventory rating:42.0 tons [38.2 metric tons]
Sufficiency rating:90.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201490.0Not deficientGoodGoodGood170800
July 201276.3Not deficientGoodGoodGood79500
July 201074.9Not deficientGoodGoodGood104375
August 200876.3Not deficientGoodGoodGood79500
August 200674.3Not deficientGoodGoodGood79500
August 200474.6Not deficientGoodGoodGood76000
August 200375.1Not deficientVery GoodGoodGood67000
August 200175.9Not deficientVery GoodGoodGood52750
August 199966.2Not deficientVery GoodVery GoodVery Good58000
September 199772.3Not deficientVery GoodVery GoodVery Good66000
September 199592.3Not deficientGoodVery GoodVery Good62500
November 199392.8Not deficientGoodVery GoodVery Good55919
February 199293.1Not deficientGoodVery GoodVery Good65046