US-ALT-1(SR228 EB) over US-90A (SR-10)


+30.30814, -81.61917
30°18'29" N, 81°37'09" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-ALT-1(SR228 EB) over US-90A (SR-10)
Structure number:720279
Location:US-ALT-1 SR-228 EB/SR-10
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:66.9 ft. [20.4 m]
Total length:199.2 ft. [60.7 m]
Roadway width between curbs:52.2 ft. [15.9 m]
Deck width edge-to-edge:56.8 ft. [17.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1967
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:4
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:26,000 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:82.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactorySatisfactoryGood2600082.3
March 2015FairSatisfactorySatisfactoryGood2050082.9
March 2013FairSatisfactorySatisfactoryGood1950083.0
March 2011FairSatisfactorySatisfactoryGood1525083.5
March 2009FairSatisfactorySatisfactoryGood2150082.8
March 2007FairSatisfactorySatisfactoryGood2950084.4
March 2005FairSatisfactoryGoodVery Good2350084.4
March 2003GoodGoodGoodVery Good2450083.0
March 2001GoodGoodGoodVery Good2175083.1
April 1999GoodGoodGoodVery Good2450083.0
April 1997GoodGoodGoodVery Good2150082.8
April 1995GoodGoodGoodVery Good2425081.0
March 1993GoodGoodGoodVery Good1938282.5
April 1991Good-GoodVery Good2015082.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.139138010
Reinforced Concrete Pier Caplinear ft.202202000
Pourable Jointlinear ft.127127000
Bridge Rail
Other Material Bridge Raillinear ft.3983167390
Reinforced Concrete Slabsq. ft.11,3018,2673,017170