30TH ST over I-94


+42.34303, -83.11512
42°20'35" N, 83°06'54" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:30TH ST over I-94
Structure number:000000000011178
Old structure number:82182023000S100 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:57.7 ft. [17.6 m]
Total length:177.8 ft. [54.2 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:67.6 ft. [20.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1951
Year reconstructed:1996
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 1994]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:63.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairGoodGoodFair600063.7
July 2016GoodGoodGoodGood600075.1
July 2014GoodGoodGoodGood600075.1
July 2012GoodGoodGoodGood600075.1
July 2010GoodGoodGoodGood600075.1
July 2008GoodGoodGoodGood600075.1
July 2006GoodGoodGoodGood600075.1
June 2004GoodGoodGoodGood600075.1
June 2002GoodGoodGoodGood600075.1
June 2000GoodGoodGoodGood600075.1
October 1999GoodGoodGoodGood600075.1
July 1998PoorVery GoodPoorFair600046.6
April 1997PoorPoorGoodFair600060.5
May 1996PoorPoorPoorFair600043.3
May 1994PoorFairPoorFair451046.5
May 1992PoorFairPoorFair451046.5
April 1990PoorFairPoorFair451046.5