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7 MI RD over M-10

Map

Coordinates:
+42.43083, -83.18694
42°25'51" N, 83°11'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:7 MI RD over M-10
Structure number:000000000011458
Old structure number:82182112000S290 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:67.9 ft. [20.7 m]
Total length:136.2 ft. [41.5 m]
Roadway width between curbs:106.0 ft. [32.3 m]
Deck width edge-to-edge:128.3 ft. [39.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:36°
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:2006
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:2
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: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:30,000 [as of 1995]
Truck traffic:3% 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: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:95.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodGoodGoodGood3000095.0
May 2015GoodGoodGoodGood3000095.0
May 2013GoodGoodGoodGood3000095.0
March 2011GoodVery GoodGoodGood3000095.0
March 2009GoodVery GoodGoodGood3000095.0
July 2008FairVery GoodGoodSatisfactory3000094.0
July 2006PoorPoorSatisfactoryPoor3000065.0
April 2005PoorSeriousSatisfactoryPoor3000063.0
January 2004PoorSeriousSatisfactoryPoor3000063.0
October 2002PoorSeriousSatisfactoryPoor3000063.0
July 2001PoorSeriousSatisfactoryPoor3000063.0
April 2000PoorSeriousSatisfactoryPoor3000063.0
August 1998PoorSeriousSatisfactoryFair3000079.0
July 1996FairFairGoodSatisfactory3000094.0
August 1994FairFairGoodSatisfactory3000094.0
October 1992FairFairGoodSatisfactory3000094.0
October 1990FairFairGoodSatisfactory3000094.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.12,11012,110000
Deck
Reinforced Concrete Decksq. ft.188,239188,239000
Substructure
Reinforced Concrete Columneach1010000
Reinforced Concrete Abutmentlinear ft.1,0431,043000
Reinforced Concrete Pier Caplinear ft.522522000
Joints
Strip Seal Jointlinear ft.5223648600
Pourable Jointlinear ft.1,04314489900
Bearings
Movable Bearingeach4848000
Fixed Bearingeach4848000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.893886700