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LARNED ST over I-375

Map 

Coordinates:
+42.33326, -83.03635
42°19'60" N, 83°02'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LARNED ST over I-375
Structure number:000000000011392
Old structure number:82182111000S030 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:53.2 ft. [16.2 m]
Total length:166.3 ft. [50.7 m]
Roadway width between curbs:89.9 ft. [27.4 m]
Deck width edge-to-edge:113.9 ft. [34.7 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1960
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: November 2015 

Status:Open, no restriction [A]
Average daily traffic:9,000 [as of 1978]
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
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]
Operating rating:61.3 tons [55.7 metric tons]
Inventory rating:36.7 tons [33.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:63.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201563.9Structurally deficientPoorSatisfactoryPoor9000
November 201463.9Structurally deficientPoorSatisfactoryPoor9000
December 201263.9Structurally deficientPoorSatisfactoryPoor9000
September 201080.4Structurally deficientPoorSatisfactoryFair9000
September 200878.3Structurally deficientSeriousGoodFair9000
September 200678.3Structurally deficientSeriousGoodFair9000
January 200563.9Structurally deficientSeriousSatisfactoryPoor9000
October 200361.8Structurally deficientSeriousSatisfactoryPoor9000
December 200261.8Structurally deficientSeriousSatisfactoryPoor9000
September 200163.9Structurally deficientSeriousSatisfactoryPoor9000
June 200061.8Structurally deficientSeriousSatisfactoryPoor9000
July 199878.3Structurally deficientSeriousSatisfactoryFair9000
June 199693.7Functionally obsoleteFairGoodSatisfactory9000
July 199494.6Functionally obsoleteSatisfactoryGoodGood9000
August 199294.6Functionally obsoleteSatisfactoryGoodSatisfactory9000
August 199094.6Functionally obsoleteSatisfactoryGoodSatisfactory9000