I-4 EB over SR-585 21ST & 22ND ST


+27.96467, -82.43516
27°57'53" N, 82°26'07" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-4 EB over SR-585 21ST & 22ND ST
Structure number:100659
Location:1 MI E OF I-275
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:119.4 ft. [36.4 m]
Total length:358.0 ft. [109.1 m]
Roadway width between curbs:73.2 ft. [22.3 m]
Deck width edge-to-edge:76.4 ft. [23.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:2006
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:90,000 [as of 2018]
Truck traffic:9% of total traffic
Deck condition:Very Good [8 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]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018GoodVery GoodGoodGood9000098.0
June 2016GoodVery GoodGoodGood8750098.0
June 2014GoodVery GoodVery GoodVery Good8350098.0
June 2012GoodVery GoodVery GoodVery Good8225098.0
June 2010GoodVery GoodVery GoodVery Good8200098.0
June 2008GoodVery GoodVery GoodVery Good7675098.0
September 2006GoodVery GoodVery GoodVery Good5700098.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.2,5062,506000
Reinforced Concrete Decksq. ft.29,23129,2112000
Reinforced Concrete Abutmentlinear ft.164164000
Reinforced Concrete Pileeach88000
Reinforced Concrete Pier Caplinear ft.149149000
Strip Seal Jointlinear ft.1631036000
Elastomeric Bearingeach4242000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.716716000