SR 122 over I-75 (EXIT 29)


+30.99229, -83.38812
30°59'32" N, 83°23'17" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 122 over I-75 (EXIT 29)
Structure number:000000018500260
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:68.9 ft. [21.0 m]
Total length:214.9 ft. [65.5 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:33°
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 continuous [4]
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: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,520 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:44.6 tons [40.5 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:65.3
Estimated cost of work:$1,260,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201665.3FairFairGoodSatisfactoryFO3520
February 201465.3FairFairGoodSatisfactoryFO3520
February 201276.7FairFairGoodSatisfactory-38960
February 201078.7FairFairGoodSatisfactory-4500
February 200878.7FairFairGoodSatisfactory-4500
February 200678.5FairFairGoodSatisfactory-4500
January 200478.5FairFairGoodSatisfactory-4500
January 200278.3FairFairGoodSatisfactory-6700
March 200076.5FairFairGoodSatisfactory-37100
April 199876.5FairFairGoodSatisfactory-37100
March 199676.5FairFairGoodSatisfactory-37100
March 199475.2FairFairGoodSatisfactory-37100
May 199287.1FairFairGoodSatisfactory-1696
June 199085.1FairFairGoodGood-1696

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.998998000
Steel Protective Coatingsq. ft.9,6189,618000
Reinforced Concrete Decksq. ft.7,3104,2443,06600
Reinforced Concrete Columneach64200
Reinforced Concrete Abutmentlinear ft.70502000
Reinforced Concrete Pier Caplinear ft.8180100
Pourable Jointlinear ft.160649600
Movable Bearingeach1818000
Steel Protective Coatingsq. ft.1818000
Fixed Bearingeach1818000
Steel Protective Coatingsq. ft.1818000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.430430000