I-75 over M-9157 IRWIN STREET


+33.75772, -84.37840
33°45'28" N, 84°22'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-75 over M-9157 IRWIN STREET
Structure number:000000012106630
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:117.1 ft. [35.7 m]
Total length:117.1 ft. [35.7 m]
Roadway width between curbs:244.4 ft. [74.5 m]
Deck width edge-to-edge:251.0 ft. [76.5 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span 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 2015 

Status:Open, no restriction [A]
Average daily traffic:291,150 [as of 2012]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:50.5 tons [45.9 metric tons]
Sufficiency rating:85.0
Estimated cost of work:$2,930,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201585.0Not deficientGoodVery GoodGood291150
July 201385.0Not deficientGoodVery GoodGood291150
June 201185.0Not deficientGoodVery GoodGood230330
October 200985.0Not deficientGoodVery GoodGood230330
February 200885.0Not deficientGoodVery GoodGood230330
August 200585.0Not deficientGoodVery GoodGood298840
August 200380.0Not deficientGoodVery GoodGood288200
September 200180.0Not deficientGoodVery GoodGood415300
June 199980.0Not deficientGoodVery GoodGood415300
June 199680.0Not deficientVery GoodVery GoodVery Good290800
July 199480.0Not deficientVery GoodVery GoodVery Good242300
March 199480.0Not deficientVery GoodVery GoodVery Good242300
November 199180.0Not deficientVery GoodVery GoodVery Good156007