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SR-21 (BLANDING) over HAMILTON ST.

Map

Coordinates:
+30.29454, -81.72197
30°17'40" N, 81°43'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR-21 (BLANDING) over HAMILTON ST.
Structure number:720119
Location:BLANDING BLVD. / HAMILTON
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:97.1 ft. [29.6 m]
Total length:195.9 ft. [59.7 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:79.1 ft. [24.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:44°
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
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: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:24,000 [as of 2017]
Truck traffic:4% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:95.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodGoodGoodGood2400095.6
May 2016GoodGoodGoodGood2250090.6
May 2014GoodGoodGoodGood2350090.4
May 2012GoodGoodGoodGood2450090.3
May 2010GoodGoodGoodGood2600090.1
May 2008GoodGoodGoodGood2500090.2
May 2006GoodGoodGoodGood2600095.3
April 2004GoodGoodGoodGood2750095.1
May 2002GoodGoodVery GoodGood2850094.9
May 2000GoodGoodVery GoodGood2850094.9
May 1998GoodGoodVery GoodGood2700095.2
June 1996GoodGoodVery GoodGood2700095.2
May 1994GoodGoodGoodGood2336093.5
May 1992GoodGoodGoodGood2291293.6
May 1990GoodVery GoodVery GoodGood2752092.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,0542,052020
Deck
Reinforced Concrete Decksq. ft.15,49015,0781013110
Substructure
Reinforced Concrete Columneach1211010
Reinforced Concrete Abutmentlinear ft.2202041330
Reinforced Concrete Pile Cap/Footinglinear ft.79380410
Reinforced Concrete Pier Caplinear ft.220220000
Joints
Pourable Jointlinear ft.44040521140
Bearings
Elastomeric Bearingeach6006000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.392392000
Steel Protective Coatingsq. ft.1,1761,176000
Reinforced Concrete Bridge Raillinear ft.5885474010