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

Good/Fair/Poor Condition:Good
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201585.0GoodGoodVery GoodGood-291150
July 201385.0GoodGoodVery GoodGood-291150
June 201185.0GoodGoodVery GoodGood-230330
October 200985.0GoodGoodVery GoodGood-230330
February 200885.0GoodGoodVery GoodGood-230330
August 200585.0GoodGoodVery GoodGood-298840
August 200380.0GoodGoodVery GoodGood-288200
September 200180.0GoodGoodVery GoodGood-415300
June 199980.0GoodGoodVery GoodGood-415300
June 199680.0GoodVery GoodVery GoodVery Good-290800
July 199480.0GoodVery GoodVery GoodVery Good-242300
March 199480.0GoodVery GoodVery GoodVery Good-242300
November 199180.0GoodVery GoodVery GoodVery Good-156007

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.3,3933,393000
Reinforced Concrete Decksq. ft.29,36729,367000
Reinforced Concrete Abutmentlinear ft.502502000
Pourable Jointlinear ft.502050200
Elastomeric Bearingeach5858000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.234234000